Boise (BOI) to San Francisco (SFO) flights
SkyWest Airlines, United Airlines fly nonstop from Boise Air Terminal/Gowen Field to San Francisco International Airport, with about 34 flights a week in July 2026. The 522-mile flight takes about 1h 59m gate to gate.
- Distance
- 522 mi · 840 km
- Flight time
- 1h 59m
- Airlines
- 2
- Seats filled
- 76%
Airlines flying BOI to SFO
| Airline | Flights a week | Aircraft | Passengers (12 months) | Flight time |
|---|---|---|---|---|
| SkyWest Airlines | 27 | Embraer E175, Bombardier CRJ700, Bombardier CRJ200 | 83,397 | 2h 1m |
| United Airlines | 7 | Airbus A320-100/200, Airbus A319, Boeing 737-800 | 23,219 | 1h 51m |
| Horizon AirSeasonal or ended | n/a | Embraer E175 | 5,621 | 1h 51m |
Airlines are the operating carrier: regional airlines such as SkyWest or Horizon often fly under a larger airline's brand.
BOI to SFO flight schedule
7 flight numbers flew this route in August 2026, 5 of them almost daily. The first usually leaves at 6:15am and the last at 7:05pm. 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 4678United Airlines · operated by SkyWest Airlines | 6:15am | 7:18am | 31 | 89% |
| UA 4639United Airlines · operated by SkyWest Airlines | 8:15am | 9:18am | 21 | 45% |
| AS 3025Alaska Airlines · operated by SkyWest Airlines | 10:52am | 11:49am | 31 | 56% |
| UA 4733United Airlines · operated by SkyWest Airlines | 11:52am | 12:53pm | 22 | 61% |
| UA 4661United Airlines · operated by SkyWest Airlines | 2:00pm | 2:58pm | 8 | 48% |
| UA 649United Airlines | 7:05pm | 7:58pm | 10 | 24% |
| UA 743United Airlines | 7:05pm | 7:58pm | 21 | 52% |
Is BOI to SFO on time?
From September 2025 to August 2026, 65% of 1,827 flights arrived within 15 minutes of schedule and 0.5% were cancelled. Flights leaving around 6am were the most punctual (95%), those around 6pm the least (46%). Most delay time was caused by air traffic control and airport congestion (54%).
| Airline | Flights | On time | Average delay | Cancelled |
|---|---|---|---|---|
| United Airlines | 1,466 | 67% | 27 min | 0.3% |
| Alaska Airlines | 361 | 58% | 27 min | 1.1% |
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 | 252 | 95% | |
| 7am to 8am | 127 | 88% | |
| 8am to 9am | 212 | 57% | |
| 9am to 10am | 106 | 53% | |
| 10am to 11am | 300 | 49% | |
| 12pm to 1pm | 110 | 67% | |
| 1pm to 2pm | 49 | 76% | |
| 2pm to 3pm | 229 | 71% | |
| 4pm to 5pm | 39 | 53% | |
| 6pm to 7pm | 110 | 46% | |
| 7pm to 8pm | 259 | 57% |
Flights by month
| Month | Flights | Flights, relative | Passengers |
|---|---|---|---|
| August 2025 | 143 | 9,668 | |
| September 2025 | 143 | 9,392 | |
| October 2025 | 155 | 10,311 | |
| November 2025 | 145 | 10,217 | |
| December 2025 | 150 | 8,582 | |
| January 2026 | 149 | 8,466 | |
| February 2026 | 133 | 6,927 | |
| March 2026 | 178 | 9,491 | |
| April 2026 | 165 | 8,776 | |
| May 2026 | 165 | 10,672 | |
| June 2026 | 140 | 9,311 | |
| July 2026 | 151 | 10,574 |
Related
Source: US Department of Transportation, T-100 Segment data, August 2025 to July 2026.