UA4657 AspenASE San FranciscoSFO · 11:25
UA4657 by United Airlines flies from Aspen (ASE) to San Francisco (SFO).
scheduled from ASE
Where the minutes go
last 4 operations · gate push → arrivalThe bar is how late it left the gate; the ring is where it actually arrived. Board clocks, not estimates.
The route today
live boardsTomorrow at SFO
ForecastSat 31 Oct, local date
- Chance a departure is cancelled
- 0.4%usually 0.5%
- Chance a departure leaves 60+ min late
- 5.7%usually 7.2%
Forecast: WeatherTomorrow · incl. data from ECMWF (CC BY 4.0, modified) · Based on about 1,910 departures a day. · Expected values for tomorrow from a forecast model, kept apart from today's measured figures.
When it flies
scheduled departuresEach mark is a scheduled departure at its origin-local time. Today is highlighted.
How UA4657 actually runs
Pro Flight Search has tracked every published board update for UA4657 across the ASE and SFO boards: schedule changes, gate pushes and actual clocks. Usually lands on time. Based on 4 confirmed landings · 2/4 within 15 min of schedule.
The verdict above is that record speaking, so it reflects how UA4657 operates rather than what the timetable promises. Numbers refresh as new flights operate.
How this operation is measured
Board log
scheduled → actual, per operationBoard clocks recorded as ASE and SFO published them.
Planning around UA4657? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
Journalists, bloggers, and researchers may cite this page with attribution and a link to Pro Flight Search.
Pro Flight Search: UA4657 Aspen to San Francisco on-time performance, measured from the ASE and SFO airport boards.
https://proflightsearch.com/flight/UA4657