ใ๐Southwest Flight Change Policy GuIDeใ How to Change Your Flight โ ReBooking, Same-Day Changes, Seats & Rules 2026-29
๐ +1-833-789-0956 Planning to change a Southwest flight? Whether you need to move your travel date, switch to another departure time, rebook after a schedule disruption, change your assigned seat, or request a same-day flight change, the available options depend on your fare, itinerary, and timing.
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Southwest Flight Change Policy 2026
๐ +1-833-789-0956 Southwest states that most flights can be changed through Southwest.com or the Southwest mobile app without calling.
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๐ +1-833-789-0956 For Choice, Choice Preferred, and Choice Extra fares, changes can generally be made by paying any applicable difference in fare. Basic fares are more restrictive: a Basic reservation must first be upgraded to Choice, Choice Preferred, or Choice Extra before a flight change can be made.
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How to Change a Southwest Flight
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Step 1: Find Your Reservation
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Step 2: Select โChangeโ
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Step 3: Choose a New Flight
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๐ +1-833-789-0956 The system will display available options and any applicable fare difference.
Step 4: Review the New Itinerary
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Step 5: Confirm the Change
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๐ +1-833-789-0956 A new confirmation number may be issued when only certain passengers on a multi-passenger reservation are changed.
Southwest Flight Change Fees
One of the important parts of the current Southwest policy is that Southwest does not charge a separate fee simply for changing a flight.
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However, that does not necessarily mean every flight change is free.
For Choice, Choice Preferred, and Choice Extra fares, you may need to pay the difference if the replacement flight costs more than the original itinerary.
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For example, if your original flight was booked at a lower fare and the replacement flight has a higher applicable fare, the difference may be collected during the change.
Can You Change a Southwest Basic Fare?
Basic is the most restrictive Southwest fare under the current fare structure.
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Southwest states that Basic fares cannot be changed directly. If you need to change a Basic reservation, you must first upgrade it to Choice, Choice Preferred, or Choice Extra.
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Basic fares are also not eligible for the standard free same-day change benefit.
Southwest Same-Day Flight Change
Need a different Southwest flight on the day you're traveling?
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Southwest offers same-day confirmed changes for eligible fares when the requirements are met.
A same-day change allows an eligible traveler to switch to another flight on the same calendar day when there is an available seat and the origin and destination airports remain the same.
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The current eligibility generally includes:
Choice
Choice Preferred
Choice Extra
Eligible Getaways by Southwest bookings
Basic fares do not receive the free same-day change benefit unless the reservation is upgraded to an eligible fare.
Southwest Same-Day Change Rules
There are several timing requirements.
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You must make the same-day change at least 10 minutes before the original scheduled departure time.
The new flight must generally:
Depart on the same calendar day
Use the same origin airport
Use the same destination airport
Have an available seat
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When using the app or mobile website, Southwest states that the change or standby request must be made at least 60 minutes before the new domestic flight's departure or 90 minutes before the new international flight's departure.
Southwest Same-Day Standby
Same-day standby is different from a confirmed same-day change.
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With standby, you keep your existing confirmed flight while requesting a place on an earlier flight if space becomes available.
Southwest allows eligible travelers to use the app or mobile web to list for standby on another flight.
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Standby does not guarantee that you will be moved to the earlier flight.
If you are cleared, Southwest assigns a seat on the new flight.
Southwest Flight Change Before Departure
If you already know that you cannot take your scheduled flight, make the change as soon as possible.
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Southwest currently allows eligible flight changes up until 10 minutes before the original scheduled departure time.
For example, if your Southwest flight is scheduled for 8:00 AM, the published policy allows an eligible change up to 7:50 AM.
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If you do not travel and fail to change or cancel the reservation at least 10 minutes before departure, the reservation may become subject to Southwest's no-show policy.
Southwest Rebooking After a Flight Cancellation
If Southwest cancels your flight, your situation is different from a voluntary flight change.
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Southwest says that in many cases it will automatically rebook affected customers on another Southwest flight to their destination. If you receive a new itinerary by text or email, that itinerary is confirmed.
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If the replacement itinerary does not work for you, Southwest provides options to change the flight.
For certain Southwest-initiated cancellations or significant delays, eligible travelers may be able to change the flight date and/or time by up to 14 days from the original travel date without an additional fare charge.
Southwest Flight Change After a Delay
A significant delay can create a need for immediate rebooking.
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Southwest states that a significant delay is generally three or more hours for domestic travel or six or more hours for international travel.
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For qualifying Southwest-initiated disruptions, customers may be able to change each flight in the original reservation by up to 14 days from the original travel date, subject to the applicable policy.
Southwest Seat Change Policy
Southwest now uses assigned seating rather than the former open-seating system.
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The airline transitioned to assigned seating on January 27, 2026. Seat selection depends on your fare, Rapid Rewards status, and applicable credit-card benefits.
Current seat-selection options include:
Basic: Seat generally assigned at check-in or at the gate.
Choice: Standard seat selection when available.
Choice Preferred: Preferred or Standard seat selection when available.
Choice Extra: Extra Legroom, Preferred, or Standard seat selection when available.
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Can I Change My Southwest Seat?
Yes, eligible travelers can manage their assigned seat through Southwest.com or the Southwest app.
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Southwest says eligible seat changes can generally be made up to 60 minutes before a domestic flight's original scheduled departure or 90 minutes before an international flight's original scheduled departure.
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Seat availability and the fare purchased can affect which replacement seats are available.
Southwest Flight Change for Multiple Passengers
If two or more people are traveling under the same reservation but only one passenger needs to change, Southwest provides an option to select the passenger who needs the update.
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In many cases, the reservation can be divided online so that the selected passenger receives a new confirmation number while the remaining passengers stay on the original reservation.
Southwest Flight Change for a Lap Child
Reservations involving a lap child can require additional assistance.
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Southwest specifically states that customers who need to change a flight with a lap child should contact a Southwest Customer Representative.
Southwest Flight Change for Getaways Bookings
If your flight is part of a Getaways by Southwest vacation package, the normal online process may not apply.
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Southwest states that Getaways by Southwest customers need to contact Getaways directly to make changes, because the non-air portions of the vacation reservation may also need to be updated.
Southwest International Flight Changes
International flight changes can have additional timing and itinerary considerations.
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For same-day changes and standby, Southwest's published rules specify a 90-minute timing requirement when using the app or mobile web for an international replacement flight.
What Information Do You Need to Change a Southwest Flight?
Before starting a flight change, keep these details available:
Confirmation number
Passenger name
Original departure date
Original flight number
Departure airport
Destination airport
Preferred new date
Preferred departure time
Seat preference
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Having this information ready can make it easier to review the correct reservation and compare available rebooking options.
Southwest Flight Change FAQs
Can I change my Southwest flight?
Most eligible Southwest flights can be changed online through Southwest.com or the Southwest app. Basic fares require an upgrade to an eligible fare before a flight change can be made.
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Does Southwest charge a flight change fee?
Southwest states that it does not charge a separate fee to change flights. However, a fare difference can apply when the replacement flight has a higher fare.
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Can I change my Southwest flight on the same day?
Eligible Choice, Choice Preferred, and Choice Extra travelers can use same-day confirmed change when the applicable conditions are met. The original and new flights must generally have the same origin and destination airports and travel on the same calendar day.
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Can I change a Southwest Basic fare?
A Basic fare cannot be directly changed. Southwest requires the reservation to be upgraded to Choice, Choice Preferred, or Choice Extra before changing it.
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How late can I change my Southwest flight?
Eligible flight changes can generally be made up to 10 minutes before the original scheduled departure time.
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Can I change my Southwest seat after booking?
Eligible customers can change their assigned seat through Southwest.com or the Southwest app, subject to seat availability and applicable fare/status rules.
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What happens if Southwest cancels my flight?
Southwest may automatically rebook you on another Southwest flight. If the new itinerary does not work, eligible customers may have options to change the itinerary, including certain date and time changes after a Southwest-initiated cancellation.
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Can I change only one passenger on a Southwest reservation?
In many cases, yes. Southwest allows customers to select the passenger or passengers who need to be changed and separate them from the original reservation.
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How does Southwest same-day standby work?
Same-day standby allows an eligible traveler to remain confirmed on the original flight while requesting a seat on another eligible flight if space becomes available.
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Can I change my Southwest flight after a schedule disruption?
If Southwest significantly delays or cancels a flight, eligible customers may receive additional rebooking flexibility. Southwest's current guidance allows qualifying customers to change flight dates and times within the specified disruption window.
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Need Help With a Southwest Flight Change?
If you need to change a Southwest flight date, switch your departure time, rebook after a disruption, arrange a same-day change, review assigned-seat options, or understand the rules for your fare, start by checking your reservation.
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Have your confirmation number and passenger details ready.
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For a same-day issue, also have your original flight number, departure airport, destination, and preferred replacement flight available.
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If you are dealing with a canceled or significantly delayed Southwest flight, check whether Southwest has already issued a replacement itinerary before making another change.
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If your question involves an assigned seat, remember that Southwest now uses assigned seating and that seat-selection availability depends on the fare and applicable status or benefits.
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Whether you need Southwest flight rebooking, a date change, same-day flight assistance, a seat change, or help understanding your reservation, having the correct booking details ready can make the process easier.