What Is United Airlines Flight Change Policy?

Update Time : -   17 Aug 2026

Travel plans can change at any time. A meeting may be moved, a vacation may be extended, or an unexpected situation may require you to take a different flight. If you have a United Airlines reservation, understanding the airline's flight change policy can help you determine what options you have and whether additional charges will apply.

The United Airlines flight change policy depends mainly on your fare type, itinerary, ticket conditions, and the type of change you want to make. United has removed change fees for many standard tickets, but Basic Economy tickets have important restrictions. Same-day changes also follow separate rules.

What Is the United Airlines Flight Change Policy?

United Airlines allows eligible customers to change their itinerary before departure. Depending on the ticket, you may be able to select another:

  • Travel date

  • Departure time

  • United flight

  • Routing or itinerary

  • Connecting flight

For many United tickets, there is no change fee, although you may have to pay a fare difference when the new flight costs more than the original one. United's official flight-change information also notes that Premier members may have additional flexibility.

The rules are not identical for every ticket. Your fare type and the conditions attached to the reservation determine what United will allow.

Does United Airlines Charge a Flight Change Fee?

For many standard United tickets, changing a flight does not involve a traditional change fee. However, that does not mean every flight change is completely free.

The most important distinction is between a change fee and a fare difference.

What Is a Fare Difference?

Suppose your original United flight costs $300 and you decide to move to another flight that costs $425.

If your ticket is eligible for a no-change-fee modification, United may not charge a change fee, but you would generally need to pay the $125 difference in fare.

Conversely, if the replacement flight costs less, the treatment of the difference depends on the ticket and applicable United rules.

United specifically notes that if the original booking class is unavailable, a price difference may apply when making a same-day change.

United Airlines Basic Economy Change Policy

Basic Economy is the fare that requires the most attention.

United's current policy states that customers with a Basic Economy ticket generally cannot change their flight unless they first upgrade to Economy or a premium cabin.

This means travelers should not assume that the standard United no-change-fee policy applies to Basic Economy.

Can You Upgrade Basic Economy to Change It?

United says Basic Economy customers can add United Economy benefits. Once those benefits are added, customers can change to a new flight of equal or lesser value without a change fee; if the new flight has a higher fare, the applicable fare difference can still apply.

Because the cost of upgrading can vary, compare the upgrade price with the cost of purchasing a new ticket before making a decision.

United Airlines 24-Hour Flight Change and Cancellation Rule

United provides a 24-hour flexible booking period for qualifying reservations.

The general rule allows customers to cancel or modify an eligible reservation within 24 hours of booking without the standard cancellation penalty, provided the reservation meets United's applicable conditions.

This is especially useful if you notice a mistake shortly after purchasing your ticket or find a better itinerary soon after booking.

The 24-hour rule should not be confused with United's normal flight-change policy. Once the applicable 24-hour period has passed, the fare rules attached to your ticket determine your options.

How to Change a United Airlines Flight Online

For an eligible reservation, changing a United flight online is usually the simplest option.

Step 1: Open Your Reservation

Visit United's website or open the United Airlines app.

Retrieve your booking using your confirmation number and passenger information, or sign in to your MileagePlus account.

Step 2: Select the Change Flight Option

Open your itinerary and select the option to change your flight.

United will show the modification choices available for your reservation.

Step 3: Choose a New Flight

Search for another eligible United flight.

Depending on your ticket, you may be able to select a different:

  • Date

  • Departure time

  • Flight number

  • Routing

  • Connecting itinerary

Step 4: Review the Price

Before confirming the change, carefully review the amount displayed.

Look for:

  • Change fees, if applicable

  • Fare differences

  • Additional taxes

  • Credits or other adjustments

Do not assume a change is free simply because the ticket has no change fee. A higher-priced replacement flight can still increase the total cost.

Step 5: Confirm the Change

Once you have reviewed the itinerary and any additional payment, confirm the change.

Save the updated confirmation and verify the new flight date and time.

Can You Change a United Flight on the Same Day?

Yes. United offers same-day travel options for eligible passengers.

The two main options are:

  1. Same-Day Confirmed

  2. Same-Day Standby

These options are different from making an ordinary advance flight change. United's current information indicates that same-day confirmed changes can involve a fee, while eligible Premier members may be able to change to another flight for free.

United Same-Day Confirmed Flight Change

With a same-day confirmed change, you receive a confirmed seat on the replacement flight.

This is different from standby because you know that your seat is confirmed once the change is completed.

United currently lists same-day flight changes at up to $75 per traveler, depending on Premier status and the applicable circumstances.

If the fare class from your original ticket is not available on the replacement flight, United says you may have to pay a price difference.

Why Choose Same-Day Confirmed?

Same-day confirmed is useful when:

  • You need to leave earlier.

  • You need to travel later the same day.

  • You want a guaranteed seat rather than waiting on standby.

  • Your itinerary qualifies for United's same-day change program.

United Same-Day Standby Policy

Same-day standby is different from a confirmed flight change.

When you request standby, you are asking United to place you on another eligible flight. A seat is not guaranteed.

United explains that same-day confirmed gives you a confirmed seat, while standby depends on seat availability on the requested flight.

Standby can be useful when you are flexible and want to try for an earlier flight without purchasing a new ticket.

However, if the flight fills up, you may remain on your original reservation.

United Airlines Flight Change Policy for International Flights

International tickets can have additional restrictions based on the itinerary and fare.

United's general no-change-fee policy does not mean every international ticket can be modified without cost. Basic Economy, restricted fares, partner-operated flights, and certain special tickets can have different conditions.

Before changing an international itinerary, check the specific reservation because the applicable rules can depend on:

  • Country of origin

  • Destination

  • Fare type

  • Operating airline

  • Ticket conditions

  • Whether the ticket was issued by United or another carrier

If your itinerary includes a partner airline, the change process can also be more complicated than changing a flight operated entirely by United.

Can You Change the Date of a United Airlines Flight?

Yes, eligible United tickets can generally be changed to another available travel date.

The new flight may have a different fare. If the replacement flight is more expensive, you may need to pay the difference.

If you are flexible with your travel dates, compare several options before confirming the change. A flight one day earlier or later may cost substantially less.

Can You Change the Time of a United Airlines Flight?

An eligible reservation can generally be moved to another available flight.

For example, if you originally booked a 9 a.m. departure but need to travel later, you can check the available flights through your United reservation.

The price depends on the replacement flight and your ticket's rules.

For a change on the same day, United's separate same-day confirmed and standby policies apply.

Can You Change the Destination on a United Flight?

Changing a destination is more complicated than simply moving a flight to another time.

Whether United allows the requested routing depends on the ticket and itinerary. A significant route change can produce a fare difference or require additional processing.

If the online system does not offer the desired destination change, contact United or the agency that issued the ticket.

Do not cancel an existing ticket simply to book a new destination until you have checked whether the current reservation retains any usable value.

What Happens If the New United Flight Is Cheaper?

A lower-priced replacement flight does not necessarily mean you will receive the difference as an immediate cash refund.

The treatment depends on the type of ticket and the applicable fare rules.

When changing a reservation, review the final amount and any credit information United displays before confirming the transaction.

What Happens If the New United Flight Is More Expensive?

If the replacement flight costs more, you should expect a fare difference in situations where your ticket permits the change.

For example:

  • Original ticket: $350

  • New flight: $470

  • Fare difference: $120

If there is no applicable change fee, the additional amount would generally be the $120 fare difference.

The actual amount can change as fares and availability change.

United Airlines Schedule Change Policy

A schedule change made by United is different from a voluntary flight change.

United's current schedule-change policy states that when a flight's schedule changes by more than 30 minutes, customers can book another United or United Express flight for free, subject to the policy's conditions.

This is important because you should first check the options United provides when the airline changes your itinerary.

If United has already made a qualifying schedule change, do not automatically treat the situation as a normal voluntary change.

What Should You Do After a Schedule Change?

If your itinerary has been changed:

  1. Open your United reservation.

  2. Review the revised flight.

  3. Check the alternative flights United offers.

  4. Select an acceptable replacement if available.

  5. Check whether you qualify for additional options under the schedule-change policy.

United's contract of carriage also contains provisions covering alternate transportation and other passenger rights.

What Happens If United Cancels Your Flight?

If United cancels your flight, the airline may provide an alternative itinerary.

Your options can depend on the reason for the cancellation, the applicable fare rules, and the specific disruption.

If United cancels your flight, first look at the rebooking options provided by United rather than voluntarily canceling the reservation yourself.

A voluntary cancellation can be treated differently from an airline-initiated cancellation.

What If You Miss Your United Flight?

If you know you will not make your scheduled flight, contact United or change the reservation before departure whenever possible.

Do not deliberately allow the flight to depart without taking action.

Failing to show up can affect the remaining value of a ticket and can also affect later segments on a multi-flight itinerary.

For a reservation containing several flights, missing one segment without contacting the airline can create additional problems with the rest of the itinerary.

United Award Ticket Change Policy

United MileagePlus award reservations have their own rules.

The cost and conditions for changing an award booking can depend on factors such as:

  • MileagePlus status

  • Type of award

  • Route

  • Cabin

  • Timing of the change

  • Whether the flight is operated by United or a partner

United also offers benefits to eligible MileagePlus cardholders, including no-fee changes or cancellations for qualifying award bookings under the applicable card terms.

Because award rules can differ from cash-ticket rules, check the specific award reservation before making a modification.

What If You Booked Through a Travel Agency?

If you purchased a United ticket through a travel agency or online travel agency, the agency may control the ticket.

In that situation, you may need to contact the agency to make the change.

This is particularly important when the booking includes multiple airlines or a complicated international itinerary.

Before contacting United, check your confirmation to determine who issued the ticket and where the reservation was purchased.

Tips to Avoid Extra Costs When Changing a United Flight

Check Your Fare Type First

Find out whether you purchased Basic Economy or a more flexible fare.

Basic Economy has significantly different change rules from standard United fares.

Compare Multiple Replacement Flights

Do not automatically select the first alternative.

Try different:

  • Dates

  • Departure times

  • Connections

  • Routings

A small change in timing can sometimes reduce the fare difference.

Change the Flight Before Departure

If you know your plans have changed, act before the scheduled departure.

Waiting until after the flight leaves can create additional complications, especially if your reservation contains multiple segments.

Check the Final Amount

A "no change fee" ticket can still require additional payment if the new flight is more expensive.

Always review the final total before confirming.

Consider Same-Day Standby if You Are Flexible

If you only need to travel earlier on the same day and do not require a guaranteed seat, standby may be an alternative to a confirmed same-day change.

Frequently Asked Questions

Can I change my United Airlines flight for free?

Many United tickets can be changed without a traditional change fee, but fare differences may apply. Basic Economy has separate restrictions and generally cannot be changed unless you upgrade to an eligible fare or add applicable Economy benefits.

Does United Airlines charge a change fee?

For many eligible tickets, United does not charge a standard change fee. However, Basic Economy and certain other tickets can have different rules, and a fare difference may apply when the replacement flight costs more.

Can I change a United Basic Economy ticket?

Generally, no. United states that Basic Economy tickets cannot be changed unless you first upgrade to Economy or a premium cabin.

How much does a United same-day flight change cost?

United currently lists same-day flight changes at up to $75 per traveler, depending on Premier status and the circumstances. Eligible Premier members may qualify for free same-day changes.

Does United offer same-day standby?

Yes. United offers same-day standby on eligible flights. Standby does not guarantee a seat, unlike a same-day confirmed change.

Can I change my United flight to another date?

Eligible tickets can generally be changed to another available date. If the new flight has a higher fare, you may have to pay the difference.

Can I change my United flight time?

Yes, if your ticket permits changes and another eligible flight is available. Same-day changes are subject to separate United rules.

What happens if my new United flight is cheaper?

The treatment of the difference depends on the ticket's terms. Review the credit or refund information displayed by United during the change process before confirming.

Can I change my destination on United?

Some eligible tickets allow itinerary changes, but a destination change can result in a different fare and additional restrictions. If the online system does not provide the desired option, contact United or the ticketing agency.

What if United changes my flight by more than 30 minutes?

United's current schedule-change policy says that when a flight schedule changes by more than 30 minutes, customers can book another United or United Express flight for free, subject to the policy's conditions.

Can I change a United flight booked with miles?

MileagePlus award tickets have separate rules. The applicable conditions can depend on the award type, route, status, and other factors. Check the specific award reservation before changing it.

Can I change a United ticket purchased through a travel agency?

You may need to work with the agency that issued the ticket, particularly when the agency controls the reservation or the itinerary involves multiple airlines.

Conclusion

The United Airlines flight change policy is relatively flexible for many eligible tickets, but the exact rules depend on the fare and itinerary. Basic Economy remains the biggest exception because United generally does not allow those tickets to be changed unless the customer upgrades to an eligible fare or adds applicable Economy benefits.

For standard eligible tickets, the biggest potential cost is often not a change fee but the fare difference between the original and replacement flights. Same-day travel has separate confirmed-change and standby options, while United schedule changes can provide additional rebooking choices when the airline changes the itinerary by more than 30 minutes.

Before confirming any change, open your United reservation and review the exact options and price shown for your ticket. That reservation-specific information is the most reliable way to determine what changing your particular United Airlines flight will cost.