In order to change an Alaska Airlines flight, the passenger's last name and booking reference number are required, and they are also crucial for verifying current tickets.
Flight changes made the same day are subject to seat availability and cost $50.
A same-day flight change is only valid if your new flight leaves on the same day as your previous one.
A customer can request a Same-day flight change at the check-in counter. Choose the Alaskan Airlines flight change option at the airport kiosk during check-in.
Contacting an Alaska Airlines Customer Service Representative or the Alaska Airlines Reservation Team will allow passengers to confirm a same-day flight change.

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