How many days before a United flight can you change the date?

Tonystark0003 Oct, 2024Travel

Well, United Airlines allows passengers to change flights up to 24 hours before their scheduled departure time, for free and with no penalties. After the 24-hour period, United Airlines Change Fees will be $200 to change the date and time of their flights.A simple way to change or cancel a flight without paying a fee is to do so within 24 hours of booking.