Boise (BOI) to San Diego (SAN) flights
Southwest Airlines, SkyWest Airlines, Horizon Air fly nonstop from Boise Air Terminal/Gowen Field to San Diego International Airport, with about 26 flights a week in July 2026. The 749-mile flight takes about 2h 20m gate to gate.
- Distance
- 749 mi · 1,205 km
- Flight time
- 2h 20m
- Airlines
- 3
- Seats filled
- 73%
Airlines flying BOI to SAN
| 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 | 45,507 | 2h 8m |
| SkyWest Airlines | 7 | Embraer E175 | 23,062 | 2h 27m |
| Horizon Air | 7 | Embraer E175 | 5,569 | 2h 27m |
| Alaska AirlinesSeasonal or ended | n/a | Boeing 737-900ER, Boeing 737 MAX 9, Boeing 737-800 | 27,130 | 2h 25m |
Airlines are the operating carrier: regional airlines such as SkyWest or Horizon often fly under a larger airline's brand.
BOI to SAN flight schedule
9 flight numbers flew this route in August 2026, 1 of them almost daily. The first usually leaves at 6:30am and the last at 8:00pm. 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 552Southwest Airlines | 6:30am | 7:45am | 24 | 96% |
| WN 330Southwest Airlines | 6:40am | 7:55am | 4 | n/a |
| AS 2166Alaska Airlines · operated by Horizon Air | 7:20am | 8:41am | 12 | 67% |
| AS 3235Alaska Airlines · operated by SkyWest Airlines | 7:57am | 9:24am | 17 | 79% |
| WN 1956Southwest Airlines | 3:30pm | 4:45pm | 12 | 92% |
| WN 2586Southwest Airlines | 3:45pm | 5:00pm | 12 | 25% |
| AS 3481Alaska Airlines · operated by SkyWest Airlines | 6:49pm | 8:19pm | 13 | 78% |
| WN 2280Southwest Airlines | 7:50pm | 9:05pm | 4 | n/a |
| AS 2342Alaska Airlines · operated by Horizon Air | 8:00pm | 9:22pm | 18 | 49% |
Is BOI to SAN on time?
From September 2025 to August 2026, 77% of 1,151 flights arrived within 15 minutes of schedule and 0.7% were cancelled. Flights leaving around 6am were the most punctual (93%), those around 8pm the least (56%). Most delay time was caused by air traffic control and airport congestion (38%).
| Airline | Flights | On time | Average delay | Cancelled |
|---|---|---|---|---|
| Alaska Airlines | 725 | 78% | 12 min | 0.8% |
| Southwest Airlines | 426 | 74% | 13 min | 0.5% |
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 | 103 | 93% | |
| 7am to 8am | 338 | 87% | |
| 8am to 9am | 52 | 96% | |
| 12pm to 1pm | 55 | 78% | |
| 1pm to 2pm | 72 | 83% | |
| 2pm to 3pm | 24 | 79% | |
| 3pm to 4pm | 44 | 59% | |
| 5pm to 6pm | 34 | 63% | |
| 6pm to 7pm | 62 | 57% | |
| 7pm to 8pm | 175 | 76% | |
| 8pm to 9pm | 138 | 56% | |
| 9pm to 10pm | 27 | 48% |
Flights by month
| Month | Flights | Flights, relative | Passengers |
|---|---|---|---|
| August 2025 | 87 | 7,617 | |
| September 2025 | 85 | 7,362 | |
| October 2025 | 89 | 8,829 | |
| November 2025 | 90 | 8,971 | |
| December 2025 | 93 | 9,046 | |
| January 2026 | 72 | 5,864 | |
| February 2026 | 73 | 7,150 | |
| March 2026 | 103 | 9,563 | |
| April 2026 | 100 | 8,972 | |
| May 2026 | 101 | 9,052 | |
| June 2026 | 107 | 9,005 | |
| July 2026 | 113 | 9,837 |
Related
Source: US Department of Transportation, T-100 Segment data, August 2025 to July 2026.