Boise (BOI) to Sacramento (SMF) flights
Southwest Airlines, Horizon Air fly nonstop from Boise Air Terminal/Gowen Field to Sacramento International Airport, with about 27 flights a week in July 2026. The 437-mile flight takes about 1h 25m gate to gate.
- Distance
- 437 mi · 703 km
- Flight time
- 1h 25m
- Airlines
- 2
- Seats filled
- 75%
Airlines flying BOI to SMF
| Airline | Flights a week | Aircraft | Passengers (12 months) | Flight time |
|---|---|---|---|---|
| Southwest Airlines | 20 | Boeing 737-700 / MAX 7, Boeing 737 MAX 8, Boeing 737-800 | 102,168 | 1h 23m |
| Horizon Air | 7 | Embraer E175 | 16,704 | 1h 31m |
Airlines are the operating carrier: regional airlines such as SkyWest or Horizon often fly under a larger airline's brand.
BOI to SMF flight schedule
11 flight numbers flew this route in August 2026, 1 of them almost daily. The first usually leaves at 7:00am and the last at 8:45pm. 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 3040Southwest Airlines | 7:00am | 7:25am | 12 | 100% |
| AS 2156Alaska Airlines · operated by Horizon Air | 7:04am | 7:34am | 30 | 92% |
| WN 4948Southwest Airlines | 7:30am | 8:00am | 4 | n/a |
| WN 400Southwest Airlines | 7:40am | 8:10am | 8 | n/a |
| WN 1570Southwest Airlines | 11:15am | 11:40am | 4 | n/a |
| WN 3995Southwest Airlines | 1:55pm | 2:20pm | 12 | 75% |
| WN 505Southwest Airlines | 4:05pm | 4:45pm | 4 | n/a |
| WN 2669Southwest Airlines | 4:35pm | 5:05pm | 4 | n/a |
| WN 2846Southwest Airlines | 4:45pm | 5:15pm | 8 | n/a |
| WN 2592Southwest Airlines | 7:50pm | 8:15pm | 12 | 83% |
| WN 1865Southwest Airlines | 8:45pm | 9:15pm | 4 | n/a |
Is BOI to SMF on time?
From September 2025 to August 2026, 88% of 1,235 flights arrived within 15 minutes of schedule and 0.4% were cancelled. Flights leaving around 6am were the most punctual (97%), those around 6pm the least (65%). Most delay time was caused by the airline (crew, maintenance, cleaning, fuelling) (50%).
| Airline | Flights | On time | Average delay | Cancelled |
|---|---|---|---|---|
| Southwest Airlines | 870 | 85% | 9 min | 0.2% |
| Alaska Airlines | 365 | 93% | 6 min | 0.8% |
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 | 156 | 97% | |
| 7am to 8am | 572 | 95% | |
| 11am to 12pm | 44 | 86% | |
| 12pm to 1pm | 45 | 89% | |
| 1pm to 2pm | 52 | 87% | |
| 4pm to 5pm | 31 | 68% | |
| 5pm to 6pm | 92 | 87% | |
| 6pm to 7pm | 63 | 65% | |
| 7pm to 8pm | 104 | 68% | |
| 8pm to 9pm | 27 | 78% | |
| 9pm to 10pm | 31 | 58% |
Flights by month
| Month | Flights | Flights, relative | Passengers |
|---|---|---|---|
| August 2025 | 105 | 10,920 | |
| September 2025 | 103 | 11,050 | |
| October 2025 | 89 | 9,193 | |
| November 2025 | 103 | 10,204 | |
| December 2025 | 108 | 11,246 | |
| January 2026 | 96 | 8,646 | |
| February 2026 | 98 | 8,642 | |
| March 2026 | 94 | 8,387 | |
| April 2026 | 93 | 8,744 | |
| May 2026 | 97 | 10,508 | |
| June 2026 | 113 | 10,385 | |
| July 2026 | 118 | 10,947 |
Related
Source: US Department of Transportation, T-100 Segment data, August 2025 to July 2026.