San Diego (SAN) to Boise (BOI) flights
Southwest Airlines, SkyWest Airlines, Horizon Air fly nonstop from San Diego International Airport to Boise Air Terminal/Gowen Field, with about 26 flights a week in July 2026. The 749-mile flight takes about 2h 14m gate to gate.
- Distance
- 749 mi · 1,205 km
- Flight time
- 2h 14m
- Airlines
- 3
- Seats filled
- 74%
Airlines flying SAN to BOI
| Airline | Flights a week | Aircraft | Passengers (12 months) | Flight time |
|---|---|---|---|---|
| Southwest Airlines | 11 | Boeing 737-700 / MAX 7, Boeing 737 MAX 8, Boeing 737-800 | 48,450 | 2h 6m |
| SkyWest Airlines | 7 | Embraer E175 | 24,949 | 2h 19m |
| Horizon Air | 7 | Embraer E175 | 6,198 | 2h 16m |
| Alaska AirlinesSeasonal or ended | n/a | Boeing 737-900ER, Boeing 737 MAX 9, Boeing 737-800 | 24,035 | 2h 17m |
Airlines are the operating carrier: regional airlines such as SkyWest or Horizon often fly under a larger airline's brand.
SAN to BOI flight schedule
10 flight numbers flew this route in August 2026, 1 of them almost daily. The first usually leaves at 6:30am and the last at 5:30pm. 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) |
|---|---|---|---|---|
| WN 2518Southwest Airlines | 6:30am | 9:50am | 12 | 92% |
| WN 1690Southwest Airlines | 8:45am | 12:00pm | 8 | n/a |
| AS 2341Alaska Airlines · operated by Horizon Air | 10:30am | 1:46pm | 18 | 74% |
| WN 1293Southwest Airlines | 10:35am | 1:45pm | 4 | n/a |
| WN 2298Southwest Airlines | 10:40am | 1:55pm | 4 | n/a |
| AS 2320Alaska Airlines · operated by Horizon Air | 10:45am | 2:02pm | 13 | 77% |
| WN 2003Southwest Airlines | 4:35pm | 7:45pm | 8 | n/a |
| AS 3110Alaska Airlines · operated by SkyWest Airlines | 4:58pm | 8:20pm | 13 | 69% |
| AS 3331Alaska Airlines · operated by SkyWest Airlines | 5:06pm | 8:25pm | 18 | 76% |
| WN 3402Southwest Airlines | 5:30pm | 8:40pm | 20 | 70% |
Is SAN to BOI on time?
From September 2025 to August 2026, 79% of 1,153 flights arrived within 15 minutes of schedule and 0.3% were cancelled. Flights leaving around 9am were the most punctual (94%), those around 12pm the least (52%). Most delay time was caused by late-arriving aircraft (57%).
| Airline | Flights | On time | Average delay | Cancelled |
|---|---|---|---|---|
| Alaska Airlines | 727 | 82% | 11 min | 0.6% |
| Southwest Airlines | 426 | 73% | 16 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 | 49 | 88% | |
| 8am to 9am | 87 | 91% | |
| 9am to 10am | 72 | 94% | |
| 10am to 11am | 264 | 81% | |
| 12pm to 1pm | 60 | 52% | |
| 1pm to 2pm | 41 | 93% | |
| 2pm to 3pm | 32 | 72% | |
| 3pm to 4pm | 35 | 71% | |
| 4pm to 5pm | 31 | 68% | |
| 5pm to 6pm | 101 | 73% | |
| 6pm to 7pm | 42 | 57% | |
| 7pm to 8pm | 68 | 84% | |
| 8pm to 9pm | 210 | 79% | |
| 9pm to 10pm | 36 | 67% |
Flights by month
| Month | Flights | Flights, relative | Passengers |
|---|---|---|---|
| August 2025 | 88 | 7,731 | |
| September 2025 | 85 | 7,350 | |
| October 2025 | 90 | 8,872 | |
| November 2025 | 89 | 8,165 | |
| December 2025 | 95 | 8,957 | |
| January 2026 | 74 | 5,970 | |
| February 2026 | 74 | 7,023 | |
| March 2026 | 105 | 10,389 | |
| April 2026 | 100 | 8,843 | |
| May 2026 | 101 | 9,677 | |
| June 2026 | 107 | 10,370 | |
| July 2026 | 113 | 10,285 |
Related
Source: US Department of Transportation, T-100 Segment data, August 2025 to July 2026.