Boise (BOI) to San Jose (SJC) flights
SkyWest Airlines, Southwest Airlines fly nonstop from Boise Air Terminal/Gowen Field to Mineta San Jose International Airport, with about 14 flights a week in July 2026. The 523-mile flight takes about 1h 48m gate to gate.
- Distance
- 523 mi · 842 km
- Flight time
- 1h 48m
- Airlines
- 2
- Seats filled
- 71%
Airlines flying BOI to SJC
| Airline | Flights a week | Aircraft | Passengers (12 months) | Flight time |
|---|---|---|---|---|
| SkyWest Airlines | 7 | Embraer E175 | 17,748 | 1h 55m |
| Southwest Airlines | 7 | Boeing 737-700 / MAX 7, Boeing 737-800, Boeing 737 MAX 8 | 36,195 | 1h 41m |
| Horizon AirSeasonal or ended | n/a | Embraer E175 | 1,786 | 1h 48m |
Airlines are the operating carrier: regional airlines such as SkyWest or Horizon often fly under a larger airline's brand.
BOI to SJC flight schedule
5 flight numbers flew this route in August 2026. The first usually leaves at 7:00am and the last at 3:30pm. 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) |
|---|---|---|---|---|
| AS 2129Alaska Airlines · operated by Horizon Air | 7:00am | 7:52am | 13 | 100% |
| AS 3131Alaska Airlines · operated by SkyWest Airlines | 7:37am | 8:32am | 18 | 97% |
| WN 3182Southwest Airlines | 10:50am | 11:40am | 12 | 100% |
| WN 2661Southwest Airlines | 11:30am | 12:15pm | 12 | 92% |
| WN 2496Southwest Airlines | 3:30pm | 4:15pm | 4 | n/a |
Is BOI to SJC on time?
From September 2025 to August 2026, 87% of 687 flights arrived within 15 minutes of schedule and 0.1% were cancelled. Flights leaving around 9am were the most punctual (96%), those around 1pm the least (63%). Most delay time was caused by late-arriving aircraft (52%).
| Airline | Flights | On time | Average delay | Cancelled |
|---|---|---|---|---|
| Alaska Airlines | 357 | 94% | 5 min | 0.3% |
| Southwest Airlines | 330 | 80% | 11 min | 0% |
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 | 114 | 92% | |
| 8am to 9am | 36 | 92% | |
| 9am to 10am | 78 | 96% | |
| 10am to 11am | 143 | 94% | |
| 11am to 12pm | 29 | 90% | |
| 12pm to 1pm | 74 | 88% | |
| 1pm to 2pm | 38 | 63% | |
| 2pm to 3pm | 63 | 89% | |
| 3pm to 4pm | 21 | 62% | |
| 4pm to 5pm | 46 | 85% | |
| 5pm to 6pm | 22 | 64% |
Flights by month
| Month | Flights | Flights, relative | Passengers |
|---|---|---|---|
| August 2025 | 63 | 5,771 | |
| September 2025 | 60 | 5,298 | |
| October 2025 | 58 | 4,513 | |
| November 2025 | 62 | 4,940 | |
| December 2025 | 74 | 5,791 | |
| January 2026 | 62 | 4,078 | |
| February 2026 | 53 | 3,986 | |
| March 2026 | 49 | 4,019 | |
| April 2026 | 47 | 4,049 | |
| May 2026 | 48 | 4,247 | |
| June 2026 | 58 | 4,369 | |
| July 2026 | 62 | 4,832 |
Related
Source: US Department of Transportation, T-100 Segment data, August 2025 to July 2026.