San Jose (SJC) to Boise (BOI) flights
Southwest Airlines, SkyWest Airlines fly nonstop from Mineta San Jose International Airport to Boise Air Terminal/Gowen Field, with about 14 flights a week in July 2026. The 523-mile flight takes about 1h 32m gate to gate.
- Distance
- 523 mi · 842 km
- Flight time
- 1h 32m
- Airlines
- 2
- Seats filled
- 78%
Airlines flying SJC to BOI
| Airline | Flights a week | Aircraft | Passengers (12 months) | Flight time |
|---|---|---|---|---|
| Southwest Airlines | 7 | Boeing 737-700 / MAX 7, Boeing 737-800, Boeing 737 MAX 8 | 38,518 | 1h 30m |
| SkyWest Airlines | 7 | Embraer E175 | 19,534 | 1h 34m |
| Horizon AirSeasonal or ended | n/a | Embraer E175 | 645 | 1h 28m |
Airlines are the operating carrier: regional airlines such as SkyWest or Horizon often fly under a larger airline's brand.
SJC to BOI flight schedule
4 flight numbers flew this route in August 2026. The first usually leaves at 10:40am and the last at 7:49pm. 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) |
|---|---|---|---|---|
| WN 4038Southwest Airlines | 10:40am | 1:15pm | 12 | 83% |
| WN 3569Southwest Airlines | 1:35pm | 4:10pm | 16 | 81% |
| AS 3413Alaska Airlines · operated by SkyWest Airlines | 7:48pm | 10:33pm | 18 | 86% |
| AS 2193Alaska Airlines · operated by Horizon Air | 7:49pm | 10:25pm | 13 | 62% |
Is SJC to BOI on time?
From September 2025 to August 2026, 83% of 689 flights arrived within 15 minutes of schedule and 0.3% were cancelled. Flights leaving around 9am were the most punctual (97%), those around 4pm the least (52%). Most delay time was caused by late-arriving aircraft (69%).
| Airline | Flights | On time | Average delay | Cancelled |
|---|---|---|---|---|
| Alaska Airlines | 359 | 86% | 8 min | 0.6% |
| Southwest Airlines | 330 | 79% | 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 |
|---|---|---|---|
| 9am to 10am | 63 | 97% | |
| 10am to 11am | 23 | 83% | |
| 11am to 12pm | 95 | 94% | |
| 12pm to 1pm | 22 | 71% | |
| 1pm to 2pm | 16 | 81% | |
| 3pm to 4pm | 44 | 59% | |
| 4pm to 5pm | 82 | 52% | |
| 5pm to 6pm | 50 | 90% | |
| 7pm to 8pm | 263 | 87% |
Flights by month
| Month | Flights | Flights, relative | Passengers |
|---|---|---|---|
| August 2025 | 62 | 5,821 | |
| September 2025 | 60 | 4,942 | |
| October 2025 | 58 | 5,154 | |
| November 2025 | 61 | 5,069 | |
| December 2025 | 71 | 6,510 | |
| January 2026 | 60 | 3,961 | |
| February 2026 | 52 | 4,315 | |
| March 2026 | 50 | 4,289 | |
| April 2026 | 47 | 3,942 | |
| May 2026 | 47 | 4,037 | |
| June 2026 | 59 | 5,448 | |
| July 2026 | 61 | 5,209 |
Related
Source: US Department of Transportation, T-100 Segment data, August 2025 to July 2026.