When does United Airlines release award seats?
United Airlines opens MileagePlus award seats on a rolling 337-day window before departure.
What to know
Same 337-day cap for partners; partner space may release on the partner's earlier window though.
When should I search?
The earliest you can book a flight for 9 May 2027 is today. Dates beyond that haven't been loaded into the system yet — searching them will return zero seats whether or not the route normally has good availability.
Saver-level awards (the cheapest tier) typically disappear within hours of release on popular routes. Be at your computer at the moment your target date opens, or have ATF watch it for you.
Let ATF watch the open
Don't camp out at midnight on 9 May 2027. Connect your loyalty accounts, then ask the AI:
Source: awardfares.com · verified March 2026