Portland (PDX) to Boise (BOI) flights
Horizon Air, Alaska Airlines fly nonstop from Portland International Airport to Boise Air Terminal/Gowen Field, with about 34 flights a week in July 2026. The 344-mile flight takes about 1h 13m gate to gate.
- Distance
- 344 mi · 554 km
- Flight time
- 1h 13m
- Airlines
- 2
- Seats filled
- 75%
Airlines flying PDX to BOI
| Airline | Flights a week | Aircraft | Passengers (12 months) | Flight time |
|---|---|---|---|---|
| Horizon Air | 21 | Embraer E175 | 54,958 | 1h 11m |
| Alaska Airlines | 13 | Boeing 737-800, Boeing 737-900ER, Boeing 737 MAX 9 | 79,311 | 1h 15m |
| SkyWest AirlinesSeasonal or ended | n/a | Embraer E175 | 14,472 | 1h 18m |
Airlines are the operating carrier: regional airlines such as SkyWest or Horizon often fly under a larger airline's brand.
PDX to BOI flight schedule
8 flight numbers flew this route in August 2026, 2 of them almost daily. The first usually leaves at 7:00am and the last at 9:33pm. 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 2161Alaska Airlines · operated by Horizon Air | 7:00am | 9:19am | 18 | 99% |
| AS 3403Alaska Airlines · operated by SkyWest Airlines | 7:00am | 9:34am | 13 | 100% |
| AS 2089Alaska Airlines · operated by Horizon Air | 10:30am | 12:49pm | 18 | 96% |
| AS 797Alaska Airlines | 10:47am | 1:21pm | 13 | 100% |
| AS 342Alaska Airlines | 2:58pm | 5:16pm | 28 | 87% |
| AS 2104Alaska Airlines · operated by Horizon Air | 5:31pm | 7:48pm | 29 | 75% |
| AS 1524Alaska Airlines | 9:30pm | 11:48pm | 18 | 66% |
| AS 447Alaska Airlines | 9:33pm | 11:55pm | 13 | 84% |
Is PDX to BOI on time?
From September 2025 to August 2026, 88% of 1,747 flights arrived within 15 minutes of schedule and 0.7% were cancelled. Flights leaving around 7am were the most punctual (95%), those around 9pm the least (82%). Most delay time was caused by late-arriving aircraft (51%).
| Airline | Flights | On time | Average delay | Cancelled |
|---|---|---|---|---|
| Alaska Airlines | 1,747 | 88% | 7 min | 0.7% |
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 | 365 | 95% | |
| 10am to 11am | 365 | 92% | |
| 2pm to 3pm | 326 | 87% | |
| 5pm to 6pm | 341 | 84% | |
| 9pm to 10pm | 347 | 82% |
Flights by month
| Month | Flights | Flights, relative | Passengers |
|---|---|---|---|
| August 2025 | 151 | 12,145 | |
| September 2025 | 145 | 12,306 | |
| October 2025 | 151 | 13,521 | |
| November 2025 | 136 | 11,143 | |
| December 2025 | 152 | 13,416 | |
| January 2026 | 141 | 12,413 | |
| February 2026 | 128 | 11,944 | |
| March 2026 | 149 | 12,082 | |
| April 2026 | 147 | 11,008 | |
| May 2026 | 146 | 12,750 | |
| June 2026 | 146 | 13,293 | |
| July 2026 | 150 | 12,859 |
Related
Source: US Department of Transportation, T-100 Segment data, August 2025 to July 2026.