San Francisco (SFO) to Aspen (ASE) flights
SkyWest Airlines flies nonstop from San Francisco International Airport to Aspen-Pitkin County Airport (Sardy Field), with about 8 flights a week in July 2026. The 848-mile flight takes about 2h 25m gate to gate.
- Distance
- 848 mi · 1,365 km
- Flight time
- 2h 25m
- Airlines
- 1
- Seats filled
- 65%
Airlines flying SFO to ASE
| Airline | Flights a week | Aircraft | Passengers (12 months) | Flight time |
|---|---|---|---|---|
| SkyWest Airlines | 8 | Embraer E175 | 15,949 | 2h 25m |
Airlines are the operating carrier: regional airlines such as SkyWest or Horizon often fly under a larger airline's brand.
SFO to ASE flight schedule
2 flight numbers flew this route in August 2026, 1 of them almost daily. The first usually leaves at 7:15am and the last at 4:20pm. 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 6046United Airlines · operated by SkyWest Airlines | 7:15am | 10:42am | 4 | 83% |
| UA 5711United Airlines · operated by SkyWest Airlines | 4:20pm | 7:52pm | 31 | 55% |
Is SFO to ASE on time?
From September 2025 to August 2026, 68% of 376 flights arrived within 15 minutes of schedule and 2.4% were cancelled. Flights leaving around 6pm were the most punctual (88%), those around 8am the least (58%). Most delay time was caused by air traffic control and airport congestion (36%).
| Airline | Flights | On time | Average delay | Cancelled |
|---|---|---|---|---|
| United Airlines | 376 | 68% | 44 min | 2.4% |
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 | 31 | 76% | |
| 8am to 9am | 33 | 58% | |
| 9am to 10am | 77 | 70% | |
| 12pm to 1pm | 15 | 80% | |
| 4pm to 5pm | 168 | 60% | |
| 6pm to 7pm | 51 | 88% |
Flights by month
| Month | Flights | Flights, relative | Passengers |
|---|---|---|---|
| August 2025 | 37 | 2,033 | |
| September 2025 | 23 | 1,082 | |
| December 2025 | 27 | 1,495 | |
| January 2026 | 58 | 2,279 | |
| February 2026 | 62 | 2,871 | |
| March 2026 | 58 | 2,125 | |
| April 2026 | 9 | 321 | |
| May 2026 | 11 | 363 | |
| June 2026 | 28 | 1,652 | |
| July 2026 | 37 | 1,728 |
Related
Source: US Department of Transportation, T-100 Segment data, August 2025 to July 2026.