Flight history · Aug 2025 – Jul 2026 · US DOT on-time records
UA 4657 · Aspen (ASE) → San Francisco (SFO)
Sold by United, flown by SkyWest. Not in the Jun 6 – Jul 31, 2026 schedule; last flew 2026-02-11.
Arrives on time88%within 15 minutes, of 43 flights
Cancelled4.7%of scheduled flights
An hour or more late5%of flights that operated
When late, on average73 minlate, among flights 15+ min late
Schedule
Typical times in the Jun 6 – Jul 31, 2026 schedule, local at each airport (San Francisco is 1 h behind Aspen).
- Leaves ASE
- 09:40
- Arrives SFO
- 11:41
- Flight time
- 3h 01m
- Days flown, last 8 weeks
- 0 of 56
Each square is a day, Sat Jun 6 to Fri Jul 31, two weeks per row (each column is the same weekday); filled = flew.
How late it arrives
Share of flights that operated arriving more than this late.
Horizontal: minutes late at arrival (0 to 3 hours). Vertical: share of flights later than that.
Its hour at ASE
All flights leaving Aspen (ASE) at 9–10 am, wherever they’re going: 73% left within 15 minutes and 3.0% were cancelled (494 flights in the year). Other United flights on this route →
Upcoming forecasts
Our odds that this flight is late or cancelled on the days we publish.