Aspen (ASE) to San Francisco (SFO) flights
SkyWest Airlines flies nonstop from Aspen-Pitkin County Airport (Sardy Field) to San Francisco International Airport, with about 9 flights a week in July 2026. The 848-mile flight takes about 2h 41m gate to gate.
- Distance
- 848 mi · 1,365 km
- Flight time
- 2h 41m
- Airlines
- 1
- Seats filled
- 65%
Airlines flying ASE to SFO
| Airline | Flights a week | Aircraft | Passengers (12 months) | Flight time |
|---|---|---|---|---|
| SkyWest Airlines | 9 | Embraer E175 | 16,225 | 2h 41m |
Airlines are the operating carrier: regional airlines such as SkyWest or Horizon often fly under a larger airline's brand.
ASE to SFO flight schedule
1 flight numbers flew this route in August 2026, 1 of them almost daily. The first usually leaves at 9:40am and the last at 9:40am. Times are local and can change; check with the airline before you book.
| Flight | Departs | Arrives | Days flown in August 2026 | On time (12 months) |
|---|---|---|---|---|
| UA 5745United Airlines · operated by SkyWest Airlines | 9:40am | 11:25am | 31 | 43% |
Is ASE to SFO on time?
From September 2025 to August 2026, 57% of 373 flights arrived within 15 minutes of schedule and 5.6% were cancelled. Flights leaving around 7am were the most punctual (92%), those around 9am the least (46%). Most delay time was caused by air traffic control and airport congestion (47%).
| Airline | Flights | On time | Average delay | Cancelled |
|---|---|---|---|---|
| United Airlines | 373 | 57% | 39 min | 5.6% |
Airlines as sold: flights operated by regional partners count under the airline on the ticket. Average delay is across all completed flights, early arrivals counted as zero.
On-time arrivals by departure time
| Scheduled departure | Flights | On time, relative | On time |
|---|---|---|---|
| 7am to 8am | 24 | 92% | |
| 9am to 10am | 139 | 46% | |
| 10am to 11am | 19 | 50% | |
| 1pm to 2pm | 54 | 65% | |
| 4pm to 5pm | 49 | 72% | |
| 6pm to 7pm | 20 | 63% | |
| 7pm to 8pm | 68 | 52% |
Flights by month
| Month | Flights | Flights, relative | Passengers |
|---|---|---|---|
| August 2025 | 37 | 2,019 | |
| September 2025 | 24 | 1,165 | |
| December 2025 | 27 | 1,022 | |
| January 2026 | 56 | 2,551 | |
| February 2026 | 65 | 2,822 | |
| March 2026 | 57 | 2,722 | |
| April 2026 | 9 | 310 | |
| May 2026 | 10 | 307 | |
| June 2026 | 29 | 1,385 | |
| July 2026 | 40 | 1,922 |
Related
Source: US Department of Transportation, T-100 Segment data, August 2025 to July 2026.