How can I change the date or time of a flight with United Airlines?

United's reviewed change page lets a traveler retrieve a trip, but its accessible public text does not establish a universal date-or-time rule for Basic Economy, partner-issued tickets, schedule changes or seller control. Use the official lookup to inspect the exact reservation and compare the full replacement before accepting anything. Record both local dates, airports, operating flights, connections and the amount United actually presents. If the booking cannot be changed in that flow or the screen does not explain the result, stop and use United's official servicing channel. Do not cancel the original itinerary or promise a waiver from this limited source set.

Independent booking assistance

Need help with changing a flight?

The phone option appears only when a current offer covers this airline and request.

View United Airlines information and official-channel guidance

What this answer depends on

  • Confirm local date and time before submitting.
  • Confirm airport before submitting.
  • Confirm connection before submitting.
  • Confirm issuer before submitting.
  • Confirm fare difference before submitting.
  • Confirm fee before submitting.
  • Confirm ticket validity before submitting.
  • Confirm reissued ticket before submitting.

Important exceptions

  • A time change can also change the calendar date or airport after time-zone conversion.
  • Cancelling first can lose protected space, ticket value or later segments.
  • Stop if the replacement itinerary or live amount is absent from United's change flow.
  • Do not cancel or replace the ticket merely to discover an unavailable rule.
  • Do not describe an unstated United Airlines fee, waiver, credit, transfer or deadline as confirmed.

Important unknowns

  • No universal United Airlines date time change result is claimed.
  • No unstated fee, waiver, deadline, transfer, credit restriction or ticket outcome is inferred.

What to do next

  1. Step 1

    Identify the ticket issuer, fare product, original segments and the date or time that must change.

  2. Step 2

    Use the official manage-booking flow to select the replacement without confirming.

  3. Step 3

    Compare airports, dates, local times, connections, operating carriers and minimum connection time.

  4. Step 4

    Review the fare difference, fee, remaining value and treatment of seats, bags and upgrades.

  5. Step 5

    Confirm only after the full new itinerary is visible, then save the reissued ticket and verify later segments.

  6. Official United Airlines servicing channel

    Use when United Airlines recognizes the exact reservation and can return the ticket-specific date time change result.

  7. Original ticket issuer or seller

    Use when the receipt names another issuer or United Airlines cannot control this reservation in its official flow.

Sources and last checked