Sacramento (SMF) to San Francisco (SFO) flights
SkyWest Airlines, United Airlines fly nonstop from Sacramento International Airport to San Francisco International Airport, with about 22 flights a week in July 2026. The 86-mile flight takes about 1h 7m gate to gate.
- Distance
- 86 mi · 138 km
- Flight time
- 1h 7m
- Airlines
- 2
- Seats filled
- 79%
Airlines flying SMF to SFO
| Airline | Flights a week | Aircraft | Passengers (12 months) | Flight time |
|---|---|---|---|---|
| SkyWest Airlines | 14 | Bombardier CRJ200, Embraer E175, Bombardier CRJ700 | 61,722 | 1h 8m |
| United Airlines | 8 | Boeing 737-800, Boeing 737-900ER, Airbus A319 | 9,619 | 54m |
Airlines are the operating carrier: regional airlines such as SkyWest or Horizon often fly under a larger airline's brand.
SMF to SFO flight schedule
6 flight numbers flew this route in August 2026, 4 of them almost daily. The first usually leaves at 6:00am and the last at 8:19pm. 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 1954United Airlines | 6:00am | 6:54am | 10 | 93% |
| UA 1329United Airlines | 6:30am | 7:22am | 21 | 95% |
| UA 5248United Airlines · operated by SkyWest Airlines | 11:53am | 1:05pm | 31 | 54% |
| UA 5323United Airlines · operated by SkyWest Airlines | 2:27pm | 3:39pm | 21 | 49% |
| UA 4748United Airlines · operated by SkyWest Airlines | 6:57pm | 8:09pm | 12 | 8% |
| UA 5961United Airlines · operated by SkyWest Airlines | 8:19pm | 9:45pm | 22 | 43% |
Is SMF to SFO on time?
From September 2025 to August 2026, 62% of 1,360 flights arrived within 15 minutes of schedule and 1.7% were cancelled. Flights leaving around 6am were the most punctual (92%), those around 10am the least (41%). Most delay time was caused by air traffic control and airport congestion (44%).
| Airline | Flights | On time | Average delay | Cancelled |
|---|---|---|---|---|
| United Airlines | 1,360 | 62% | 28 min | 1.7% |
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 |
|---|---|---|---|
| 6am to 7am | 328 | 92% | |
| 7am to 8am | 55 | 78% | |
| 10am to 11am | 139 | 41% | |
| 11am to 12pm | 225 | 61% | |
| 2pm to 3pm | 184 | 55% | |
| 3pm to 4pm | 31 | 53% | |
| 4pm to 5pm | 45 | 73% | |
| 6pm to 7pm | 37 | 25% | |
| 7pm to 8pm | 59 | 29% | |
| 8pm to 9pm | 248 | 48% |
Flights by month
| Month | Flights | Flights, relative | Passengers |
|---|---|---|---|
| August 2025 | 117 | 6,339 | |
| September 2025 | 118 | 6,366 | |
| October 2025 | 147 | 8,296 | |
| November 2025 | 112 | 5,457 | |
| December 2025 | 107 | 5,514 | |
| January 2026 | 113 | 5,734 | |
| February 2026 | 115 | 5,518 | |
| March 2026 | 114 | 4,993 | |
| April 2026 | 118 | 4,696 | |
| May 2026 | 112 | 5,713 | |
| June 2026 | 91 | 6,552 | |
| July 2026 | 98 | 7,176 |
Related
Source: US Department of Transportation, T-100 Segment data, August 2025 to July 2026.