Boise (BOI) to Portland (PDX) flights
Horizon Air, Alaska Airlines fly nonstop from Boise Air Terminal/Gowen Field to Portland International Airport, with about 34 flights a week in July 2026. The 344-mile flight takes about 1h 20m gate to gate.
- Distance
- 344 mi · 554 km
- Flight time
- 1h 20m
- Airlines
- 2
- Seats filled
- 74%
Airlines flying BOI to PDX
| Airline | Flights a week | Aircraft | Passengers (12 months) | Flight time |
|---|---|---|---|---|
| Horizon Air | 21 | Embraer E175 | 42,574 | 1h 17m |
| Alaska Airlines | 13 | Boeing 737-800, Boeing 737-900ER, Boeing 737 MAX 9 | 78,205 | 1h 20m |
| SkyWest AirlinesSeasonal or ended | n/a | Embraer E175 | 26,034 | 1h 24m |
Airlines are the operating carrier: regional airlines such as SkyWest or Horizon often fly under a larger airline's brand.
BOI to PDX flight schedule
9 flight numbers flew this route in August 2026, 1 of them almost daily. The first usually leaves at 5:57am and the last at 8:28pm. 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 1566Alaska Airlines | 5:57am | 6:17am | 18 | 96% |
| AS 782Alaska Airlines | 6:00am | 6:20am | 13 | 94% |
| AS 3495Alaska Airlines · operated by SkyWest Airlines | 9:00am | 9:24am | 13 | 91% |
| AS 2184Alaska Airlines · operated by Horizon Air | 9:13am | 9:34am | 18 | 94% |
| AS 2209Alaska Airlines · operated by Horizon Air | 1:29pm | 1:47pm | 18 | 94% |
| AS 740Alaska Airlines | 1:32pm | 1:50pm | 13 | 85% |
| AS 229Alaska Airlines | 4:23pm | 4:45pm | 28 | 87% |
| AS 2105Alaska Airlines · operated by Horizon Air | 8:25pm | 8:45pm | 11 | 91% |
| AS 2371Alaska Airlines · operated by Horizon Air | 8:28pm | 8:46pm | 18 | 73% |
Is BOI to PDX on time?
From September 2025 to August 2026, 91% of 1,744 flights arrived within 15 minutes of schedule and 0.7% were cancelled. Flights leaving around 6am were the most punctual (98%), those around 8pm the least (86%). Most delay time was caused by late-arriving aircraft (63%).
| Airline | Flights | On time | Average delay | Cancelled |
|---|---|---|---|---|
| Alaska Airlines | 1,744 | 91% | 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 |
|---|---|---|---|
| 5am to 6am | 269 | 95% | |
| 6am to 7am | 96 | 98% | |
| 9am to 10am | 341 | 94% | |
| 1pm to 2pm | 329 | 90% | |
| 4pm to 5pm | 330 | 88% | |
| 8pm to 9pm | 306 | 86% |
Flights by month
| Month | Flights | Flights, relative | Passengers |
|---|---|---|---|
| August 2025 | 151 | 12,293 | |
| September 2025 | 145 | 12,286 | |
| October 2025 | 151 | 12,940 | |
| November 2025 | 136 | 11,385 | |
| December 2025 | 153 | 13,078 | |
| January 2026 | 139 | 12,253 | |
| February 2026 | 127 | 11,142 | |
| March 2026 | 151 | 11,792 | |
| April 2026 | 146 | 10,762 | |
| May 2026 | 148 | 13,817 | |
| June 2026 | 144 | 12,148 | |
| July 2026 | 151 | 13,169 |
Related
Source: US Department of Transportation, T-100 Segment data, August 2025 to July 2026.