Delta airlines Change Flight options are designed to give travelers flexibility when plans suddenly change, whether you need to modify your travel dates, switch destinations, upgrade your itinerary, or correct booking details before departure. Delta Air Lines has significantly improved its change flight policy in recent years, making it easier for passengers to manage reservations online, through the Delta app, or by speaking directly with customer support at +1-877-593-4887 (USA).

Modern travelers expect flexible airline policies, and Delta continues to remain one of the most customer-friendly airlines in the United States delta change flight phone number +1-877-593-4887 (USA). delta same day flight change, From same-day confirmed flight changes to waived fees on many domestic and international routes, delta airlines customer service, understanding Delta’s updated 2026 flight change rules can help you save both time and money.

In this detailed guide, you’ll learn: delta same day flight change, How the Delta Change Flight process works, How to change Delta flights online and through the mobile app, delta change flight phone number, Delta flight change fees and fare rules, Same-day flight changes and standby options, How to avoid Delta flight change fees, Refund eligibility and eCredits, Flight change policies for Basic Economy, Main Cabin, Comfort+, First Class, and Delta One, International flight modification rules, Step-by-step methods to change your return flight date with Delta, Delta airlines change flight phone number support options

Whether you booked directly through Delta or through a travel agency, this complete 2026 guide covers everything you need to know. delta airlines customer service.

Understanding Delta Airlines Change Flight Policy in 2026

Delta Air Lines has modernized its ticket flexibility policies to compete with major global airlines offering more traveler-friendly terms. The airline now allows many passengers to modify flights without paying traditional change penalties on eligible fare types.

However, the exact rules depend on several factors: Fare class, Route type, Departure location, Ticket type, SkyMiles membership status, Whether the ticket is refundable or non-refundable delta change flight time same day.

Understanding these distinctions before changing your reservation can help you avoid unnecessary costs.

Key Highlights of Delta Change Flight Policy

Here are the most important 2026 Delta flight change policy updates:

Policy Feature:

• Change Fees for Most U.S. Flights

• Basic Economy Changes

• Same-Day Changes

• International Flight Changes

• Flight Change Window

• Delta eCredits

• Mobile App Flight Changes

• Refundable Tickets

Details:

• Waived on Main Cabin and above

• Generally restricted

• Available for eligible tickets

• Fare difference may apply

• Up to departure time in many cases

• Issued when applicable

• Fully supported

• Fully changeable and refundable

Passengers needing urgent assistance with Delta airlines change flight requests can contact customer support at +1-877-593-4887 (USA).

How to Change a Delta Flight Online?

The easiest way to modify a Delta reservation is through the airline’s official website.

Step-by-Step Guide to Delta Change Flight Online

Step 1: Visit Delta.com

Go to the official Delta website.

Step 2: Access “My Trips”

Click the “My Trips” section on the homepage.

Step 3: Enter Booking Information

Provide:

• Confirmation number
• First name
• Last name

Step 4: Select the Booking

Choose the itinerary you want to modify.

Step 5: Click “Modify Flight”

Delta will display available flight change options.

Step 6: Choose New Flights

Select your preferred:

• Travel date
• Time
• Destination (if permitted)
• Cabin class

Step 7: Pay Fare Difference

If your new ticket costs more, you must pay the difference.

Step 8: Confirm Changes

Once payment is completed, Delta sends updated confirmation details via email.

Travelers who experience technical issues during the Delta Change Flight process may call +1-877-593-4887 (USA) for immediate assistance.

How to Change Flight on Delta App?

The Delta mobile app offers one of the most efficient airline self-service systems in the industry.

Benefits of Using the Delta App

• Instant flight modifications
• Mobile boarding pass updates
• Same-day standby requests
• Seat selection changes
• Upgrade purchases
• Real-time notifications

Steps to Change Flight on Delta App

Download the App

Install the Delta Air Lines app from:

• Apple App Store
• Google Play Store

Log In

Use your:

• SkyMiles credentials
• Reservation details

Open “My Trips”

Select the reservation you want to change.

Tap “Modify Flight”

Review eligible change options.

Select New Travel Details

Choose:

• New departure date
• Return date
• Alternate airport
• Preferred schedule

Pay Applicable Charges

Any fare difference will appear before final confirmation.

Receive Updated Itinerary

Your new boarding pass becomes available immediately.

Many travelers prefer the mobile app because it reduces hold times and provides faster rebooking during disruptions.

Delta Airlines Change Flight Phone Number Support

Some situations require live assistance, especially for complex itineraries or international travel.

When to Call Delta Support

You should contact Delta airlines change flight phone number support if:

• Your booking includes multiple passengers
• You used eCredits
• Your flight was canceled
• You booked with miles
• You need special assistance
• You are traveling internationally
• You need urgent same-day changes
• You booked through a third-party agency

For professional assistance with Delta flight modifications, travelers may contact +1-877-593-4887 (USA).

Customer support representatives can help with:

• Date changes
• Return flight changes
• Fare upgrades
• Seat modifications
• Flight cancellations
• Rebooking after delays
• Refund requests
• Same-day confirmed flights

Delta Airlines Change Flight Status Explained

Many travelers confuse flight changes with flight status updates. These are separate features.

What Is Delta Airlines Change Flight Status?

Flight status refers to real-time operational updates including:

• Delays
• Gate changes
• Cancellations
• Boarding times
• Departure updates
• Arrival estimates

How to Check Delta Flight Status?

You can monitor Delta airlines change flight status through:

• Delta website
• Delta mobile app
• Airport information screens
• SMS alerts
• Email notifications

What Happens If Delta Changes Your Flight?

Sometimes Delta modifies schedules due to:

• Weather disruptions
• Operational adjustments
• Aircraft changes
• Crew availability
• Airport congestion

When Delta initiates the change, passengers are often eligible for:

• Free rebooking
• Alternate flights
• Refund options
• eCredits

This differs from voluntary passenger-requested flight changes.

How Much Does Delta Charge to Change a Flight Date?

One of the most common traveler concerns involves flight change fees.

Does Delta Still Charge Change Fees?

For most Main Cabin and premium tickets originating in the U.S. and Canada, Delta eliminated standard change fees.

However, you may still pay:

• Fare differences
• International ticket change fees
• Basic Economy penalties
• Same-day confirmed change fees

Typical Delta Flight Change Costs in 2026

Ticket Type

Change Fee

Main Cabin

No fee + fare difference

Comfort+

No fee + fare difference

First Class

No fee + fare difference

Delta One

No fee + fare difference

Basic Economy

Usually non-changeable

International Special Fares

Varies

Fare Difference Still Applies

Even when Delta waives change fees, passengers must pay any increase in airfare.

Example:

• Original ticket: $250
• New flight: $420
• Additional amount owed: $170

If the new flight is cheaper, Delta may issue eCredits depending on fare rules.

How to Avoid Delta Flight Change Fee?

Although Delta removed many change penalties, travelers can still face additional charges under certain conditions.

Here are practical strategies to avoid unnecessary fees.

Book Flexible Fare Types

Avoid Basic Economy whenever possible.

Instead, choose:

• Main Cabin
• Comfort+
• First Class
• Refundable tickets

These fares provide far greater flexibility.

Change Flights Early

Airfare tends to increase closer to departure. Modifying your booking early reduces fare difference costs.

Use Same-Day Standby

Delta often allows same-day standby at minimal or no cost for eligible passengers.

Monitor Schedule Changes

If Delta changes your flight significantly, you may qualify for free modifications.

Use SkyMiles Elite Benefits

Medallion members receive additional flexibility perks.

Travel During Lower Demand Days

Switching to less popular travel dates often reduces fare differences.

Passengers needing personalized guidance on how to avoid Delta flight change fee charges can call +1-877-593-4887 (USA).

How to Change Delta Flight for Free?

Delta offers several legitimate ways to modify flights without paying traditional change fees.

Eligible Fare Classes

Most non-Basic Economy tickets now qualify for free changes.

Free Changes During Irregular Operations

Delta often waives fees during:

• Hurricanes
• Snowstorms
• Major delays
• Systemwide disruptions
• Travel advisories

Same-Day Flight Changes

Certain elite members and premium passengers may qualify for complimentary same-day changes.

Using eCredits

Passengers with Delta eCredits can apply them toward rebooking.

24-Hour Risk-Free Cancellation Rule

Under U.S. Department of Transportation regulations:

• Flights booked directly with Delta
• Canceled within 24 hours
• For departures at least 7 days away

usually qualify for full refunds.

This effectively allows travelers to change plans without penalty shortly after booking.

How Can I Change My Return Flight Date With Delta?

Changing only the return portion of your itinerary is common for both business and leisure travelers.

Can You Change Just One Segment?

Yes. Delta permits modifications to:

• Outbound flights
• Return flights
• Multi-city itineraries

independently in many cases.

Steps to Change Return Flight Date

Log Into “My Trips”

Access your itinerary.

Choose “Modify Flights”

Select the return segment.

Search New Dates

Delta displays available return options.

Compare Fare Differences

Review pricing changes carefully.

Confirm Booking

Once completed, your updated itinerary is emailed immediately.

Important Considerations

When changing return flights:

• International fare rules may differ
• Award tickets may have separate availability
• Cabin upgrades can affect pricing
• Partner airline itineraries may require phone support

Travelers having difficulty changing return travel dates may contact +1-877-593-4887 (USA).

Delta Same-Day Flight Change Policy

Same-day changes are extremely valuable for travelers with flexible schedules.

What Is a Same-Day Confirmed Change?

A same-day confirmed change allows passengers to move to another flight on the same travel day.

Eligibility Requirements

Passengers generally must:

• Have confirmed tickets
• Travel within eligible routes
• Request changes before departure
• Use matching airports in most cases

Same-Day Standby vs Confirmed Change

Option

Description

Same-Day Confirmed

Guaranteed seat on alternate flight

Same-Day Standby

Waitlisted for open seats

Fees for Same-Day Changes

Fees vary depending on:

• Fare class
• Medallion status
• Cabin type

Some elite members receive waived fees.

Delta Basic Economy Flight Change Rules

Basic Economy remains Delta’s most restrictive fare category.

Can You Change Basic Economy Tickets?

In many situations:

• Changes are restricted
• Cancellations may incur penalties
• eCredits may be limited

Policies vary based on:

• Departure region
• Booking date
• International regulations

Why Basic Economy Is Risky

Although cheaper initially, Basic Economy tickets:

• Limit flexibility
• Restrict upgrades
• Reduce seat selection options
• Can cost more during modifications

Frequent travelers typically benefit more from Main Cabin fares.

Delta International Flight Change Policy

International travel changes are often more complicated than domestic modifications.

Key Factors Affecting International Changes

Fare Rules

Different countries have different regulations.

Currency Differences

Fare recalculations may occur in local currency.

Partner Airlines

Flights operated by partners may have additional restrictions.

Visa Requirements

Date changes can impact visa validity.

Tax Adjustments

Airport and government taxes may change.

Popular International Routes With Flexible Policies

Delta frequently offers flexible changes on:

• U.S.–Europe routes
• U.S.–Canada flights
• U.S.–Mexico routes
• U.S.–Caribbean itineraries

However, travelers should always review specific fare rules before making changes.

Delta SkyMiles Award Ticket Changes

Award travel policies have become more flexible.

Can You Change Award Flights?

Yes. Most Delta SkyMiles tickets can now be changed without traditional redeposit fees.

Award Ticket Change Process

Passengers can:

• Rebook online
• Use the Delta app
• Contact support

Important Limitations

Availability depends on:

• Award seat inventory
• Route demand
• Cabin class availability

Fare differences may apply in miles rather than cash.

Delta Flight Cancellation vs Flight Change

Travelers should understand the distinction.

Flight Change

A flight change means:

• Keeping the trip active
• Modifying dates or times
• Paying fare differences if applicable

Flight Cancellation

A cancellation means:

• Ending the itinerary entirely
• Requesting refunds or credits
• Potentially forfeiting portions of the fare

Which Option Is Better?

That depends on your travel goals.

Situation

Best Option

Plans postponed

Flight change

Trip canceled completely

Cancellation

Unsure about future dates

eCredit

Delta eCredits Explained

Delta eCredits are digital travel credits issued after eligible cancellations or fare adjustments.

How eCredits Work

Passengers receive eCredits when:

• Canceling eligible flights
• Receiving residual value after rebooking
• Accepting compensation during disruptions

Where to Find eCredits

You can access them through:

• Delta account dashboard
• Confirmation email
• Delta customer support

Can eCredits Be Used for Flight Changes?

Yes. Delta allows travelers to apply eligible credits toward new itineraries.

Delta Schedule Changes and Passenger Rights

Airlines periodically adjust schedules.

What Qualifies as a Significant Schedule Change?

Examples include:

• Major departure time changes
• Added layovers
• Airport changes
• Overnight schedule modifications

Passenger Options

When Delta significantly changes your itinerary, you may qualify for:

• Free rebooking
• Alternate routing
• Refund requests
• Travel credits

This can help travelers avoid extra change fees.

Delta Flight Change Policy for Different Fare Classes

Understanding fare categories is essential before booking.

Main Cabin

Main Cabin offers:

• Flexible changes
• Seat selection
• eCredit eligibility

Comfort+

Includes:

• Extra legroom
• Priority boarding
• Flexible modifications

First Class

Provides:

• Premium flexibility
• Faster rebooking support
• Enhanced same-day options

Delta One

Delta’s premium international cabin includes:

• Luxury seating
• Concierge-style support
• Priority modifications

How Long Before Departure Can You Change a Delta Flight?

Timing matters when modifying reservations.

General Rule

Passengers can often change flights up until departure.

However:

• Fare increases become more likely close to departure
• Same-day rules may apply within 24 hours
• Airport agent assistance may be required

Missed Flights

If you miss your flight without notice:

• Remaining itinerary segments may cancel automatically
• Rebooking charges may apply

Always contact Delta as early as possible.

Can You Change Passenger Names on Delta Flights?

Delta has strict name correction rules.

Minor Corrections Allowed

Examples include:

• Typographical errors
• Misspelled names
• Missing middle initials

Full Ticket Transfers Not Allowed

Tickets usually cannot be transferred to another passenger.

For assistance with name corrections or ticket modifications, travelers may call +1-877-593-4887 (USA).

Delta Flight Changes Due to Weather

Weather disruptions are among the most common causes of flight modifications.

Delta Weather Waivers

During severe weather events, Delta often issues travel waivers.

These may allow:

• Free date changes
• Alternate airport routing
• Fare difference waivers

How to Check Active Waivers

Travelers can review:

• Delta website alerts
• Mobile app notifications
• Airport announcements

Best Strategy During Weather Events

Act quickly. Flights fill rapidly during major disruptions.

Business Travel and Delta Flight Changes

Business travelers frequently require flexibility.

Corporate Travel Benefits

Delta offers:

• Flexible business fares
• Same-day change benefits
• Priority support
• Dedicated corporate programs

Why Companies Prefer Delta

Major reasons include:

• Reliable operations
• Strong route network
• Flexible modification policies
• Extensive SkyMiles partnerships

Tips for Managing Delta Flight Changes Efficiently

Changing flights becomes easier with preparation.

Best Practices

Keep Confirmation Emails

You may need booking references quickly.

Use the Delta App

The app provides the fastest modification access.

Monitor Fare Trends

Changing flights during lower-demand periods can reduce fare differences.

Join SkyMiles

Elite benefits improve flexibility.

Avoid Basic Economy

Small upfront savings can lead to costly restrictions.

Contact Support Early

During disruptions, waiting too long can limit available alternatives.

Common Reasons Travelers Change Delta Flights

Understanding why passengers modify reservations can help you anticipate possible solutions.

Personal Emergencies

Unexpected situations often require immediate changes.

Business Schedule Changes

Corporate meetings frequently shift.

Weather Disruptions

Storms and airport delays affect travel plans.

Family Events

Travelers often adjust itineraries for weddings, holidays, or medical needs.

Better Fare Availability

Passengers may find more convenient flight times.

Why Delta’s Flight Change Policy Stands Out in 2026

Delta remains one of the strongest competitors in the airline industry because of its balance between operational reliability and customer flexibility.

Key Advantages

Reduced Change Fees

Delta removed many traditional penalties.

Strong Digital Tools

The app and website offer smooth self-service options.

Reliable Customer Support

Phone support remains accessible during disruptions.

Extensive Route Network

Travelers have multiple rebooking options.

Flexible Award Travel

SkyMiles changes are easier than before.

These improvements make Delta especially attractive for frequent travelers and international passengers.

Final Thoughts

Delta Air Lines continues to provide one of the most flexible flight modification systems among major global carriers. Whether you need to adjust travel dates, switch return flights, manage weather disruptions, or make same-day itinerary changes, Delta offers multiple convenient options through its website, mobile app, and customer support channels.

Understanding fare rules, timing, and eligibility can significantly reduce costs and improve your travel experience. Travelers who avoid restrictive fare types and monitor schedule changes closely often benefit from free or low-cost modifications.

For quick support with Delta Change Flight requests, booking adjustments, same-day changes, or return flight modifications, travelers may contact +1-877-593-4887 (USA) for assistance.

With the right strategy, changing a Delta flight in 2026 can be straightforward, flexible, and stress-free.

Frequently Asked Questions (FAQs)

Can I change a flight I already booked Delta?

Yes, in many cases you can change a flight you already booked with Delta, depending on your fare type, destination, and ticket rules. Delta allows eligible passengers to modify travel dates, departure times, and sometimes destination through the My Trips section online or in the Delta app. Fare difference may apply if the new flight is more expensive. Same-day changes may also be available for certain travelers based on availability. It’s always best to review your booking as early as possible before departure. For help changing an existing Delta reservation, call +1-877-593-4887 (USA).

How much does it cost to change my flight on Delta Airlines?

The cost to change a Delta flight depends on your fare class, travel route, ticket conditions, and whether your new flight has a higher fare. Many Delta tickets no longer carry a standard change fee on select routes, but passengers may still need to pay the fare difference between the old and new flight. Basic Economy tickets can have more restrictions depending on the booking terms. International itineraries may also follow different rules. Because pricing varies by reservation, checking your itinerary before making changes is recommended. For fare change cost details call +1-877-593-4887 (USA). 

How can I change my flight date for free?

You may be able to change your Delta flight date for free depending on the fare purchased, route, and current ticket flexibility. Many eligible tickets can be changed without a traditional change fee, though a fare difference may still apply if the new flight costs more. To request a date change, log in to My Trips on Delta’s website or app, select your reservation, and review available flight options. If your new itinerary has the same value, the change may cost little or nothing. It’s best to make updates before departure for the widest options. For date change support call +1-877-593-4887 (USA).

Is Delta allowing free flight changes?

Yes, Delta allows free flight changes on many eligible tickets, especially on select Main Cabin and higher fare types. While many passengers may not pay a standard change fee, a fare difference can still apply if the replacement flight is more expensive than the original booking. Some discounted or restricted tickets may have separate rules, so eligibility depends on your reservation details. Travelers can check flight change options online under My Trips or through the Delta app before departure. Reviewing your fare conditions before changing helps avoid unexpected costs. To verify whether your ticket qualifies, call +1-877-593-4887 (USA). 

Can I change my Delta flight for free?

Yes, many Delta tickets—especially Main Cabin and above—can be changed without paying a separate change fee. However, the final cost still depends on the fare difference between your original flight and the new one. If the new option is cheaper, you may receive an eCredit, while a higher fare will require additional payment. Basic Economy fares usually have more restrictions and may not qualify for free changes. Always check your ticket rules before modifying travel. For quick help with free change eligibility, contact +1-877-593-4887 (USA).

What is the Delta airlines change flight phone number?

Passengers who need help modifying or managing a reservation can contact Delta flight change support at +1-877-593-4887 (USA). This number is commonly used for booking adjustments, date changes, cancellations, and schedule modifications. Before calling, it helps to keep your confirmation number and travel details ready for faster assistance. The support team can guide you through available options based on your fare type and travel route. For immediate flight change help,

How much does Delta charge to change a flight date?

Delta no longer applies a standard change fee on many domestic and international tickets, but the total cost depends mainly on the fare difference between your original booking and the new selected flight. If the new ticket is more expensive, you will pay the difference. If it is cheaper, you may receive credit for future travel. Basic Economy fares often have stricter rules and limited flexibility. Because pricing varies by route and timing, it’s best to check options before confirming changes. For fare details and change cost help, call +1-877-593-4887 (USA). 

Can I change my return flight date with Delta?

Yes, in many cases Delta allows passengers to change only the return portion of a round-trip itinerary. This flexibility depends on the fare type and ticket conditions. If eligible, you can modify the return date or time through the “My Trips” section on Delta’s website or mobile app. Any fare difference will still apply based on the new selection. Some restricted fares may have limitations, so reviewing your booking details is important before making changes. For help adjusting return flights, call +1-877-593-4887 (USA). Travel modification support is available at +1-877-593-4887 (USA).

How do I change a flight on the Delta app?

To change a Delta flight using the app, open the Delta mobile application and log into your account. Go to “My Trips” and select the reservation you want to modify. If your ticket is eligible, you will see the “Modify Flight” option, allowing you to choose new dates or times. After selecting a new itinerary, the app will display any fare difference before confirmation. Changes are usually faster online compared to other methods. For app-related booking support, contact +1-877-593-4887 (USA). 

Does Delta allow same-day flight changes?

Yes, Delta offers same-day flight change options for eligible passengers, depending on availability and fare type. Travelers may be able to switch to an earlier or later flight on the same day, sometimes with a small fee or fare adjustment. In some cases, standby travel may also be available if confirmed seats are not open. These options are useful for flexible travel plans or unexpected schedule changes. Eligibility varies based on ticket class and route. For same-day change assistance, call +1-877-593-4887 (USA). 

Are Delta Basic Economy tickets changeable?

Delta Basic Economy tickets are generally more restrictive compared to other fare types. In most cases, they do not allow standard flight changes, and modifications may be limited or not permitted unless specific exceptions apply. Some limited flexibility may exist in special situations, but passengers should always review fare rules before booking. If changes are needed, options like cancellation rules or exceptions may apply depending on the situation. For clarification on Basic Economy rules, contact +1-877-593-4887 (USA). 

What happens if Delta changes my flight schedule?

If Delta changes your flight schedule, passengers may be eligible for several options depending on the severity of the change. These can include free rebooking, alternate flight routing, travel credits, or refunds in some cases. Significant schedule changes usually allow more flexibility for passengers to adjust plans without penalties. You will typically be notified through email, SMS, or the Delta app. It’s important to review updated options as soon as possible. For schedule change support, call +1-877-593-4887 (USA).

Can I change an international Delta flight?

Yes, international Delta flights can usually be changed, but rules depend on fare class, route, and partner airline policies. While many tickets allow modifications, passengers may still need to pay fare differences based on the new itinerary. International routes often involve stricter conditions compared to domestic flights, especially when multiple airlines are involved. It’s important to review travel requirements and change policies before confirming updates. For international change support, contact +1-877-593-4887 (USA). 

How late can I change my Delta flight?

Many Delta tickets allow changes up until departure time, but this depends on fare rules, availability, and ticket type. Some passengers can modify flights even on the same day if seats are available, while others may have restrictions closer to departure. It is always better to make changes early to get more options and avoid limited availability. Once check-in begins or boarding closes, changes become more difficult. For last-minute change assistance, call +1-877-593-4887 (USA). 

Can I use Delta eCredits to change flights?

Yes, Delta eCredits can be used for eligible flight changes or future travel bookings. When modifying a reservation, available eCredits may be applied toward the fare difference or total ticket cost. If the new booking costs less, the remaining balance may stay as credit for future use. eCredits have expiration rules depending on issuance terms, so it’s important to check validity before applying them. For help using travel credits, contact +1-877-593-4887 (USA).

Is it cheaper to change a flight online or by phone?

In most cases, changing a Delta flight online through the website or mobile app is faster and may help avoid additional service-related delays. Online systems also show fare differences instantly, making it easier to compare options. Phone support may be useful for complex bookings, but processing time can be longer depending on demand. Pricing itself usually depends on fare rules rather than the method used. For help choosing the best change option, contact +1-877-593-4887 (USA).

Does Delta waive change fees during bad weather?

Yes, Delta often issues weather waivers during severe disruptions such as storms, hurricanes, or major airport delays. When a waiver is active, passengers may be allowed to change flights without paying standard change fees, though fare differences may still apply. These waivers are time-sensitive and usually apply to specific routes and travel dates affected by the weather event. Travelers are advised to check official updates as soon as disruptions occur. For weather waiver assistance, contact +1-877-593-4887 (USA). 

Can I change a Delta award ticket booked with miles?

Yes, most Delta SkyMiles award tickets can be changed, and in many cases, change or redeposit fees are not charged depending on fare rules and timing. However, availability and fare differences in miles may apply if you switch to a different flight. Some restrictions may vary for partner airline bookings or international routes. It is recommended to check your award ticket conditions before making modifications. For help with SkyMiles changes, contact +1-877-593-4887 (USA). 

What should I do if I miss my Delta flight?

If you miss your Delta flight, you should contact Delta immediately to check rebooking options. Depending on your fare type, you may be able to rebook on the next available flight or be placed on standby. Some tickets may allow same-day adjustments, while others may require additional fees or fare differences. Acting quickly improves your chances of getting alternative travel options. For missed flight assistance, call +1-877-593-4887 (USA).