Route
PDX → BOI
Portland International Airport Boise Air Terminal/Gowen Field
How punctual is this route?
- On-time arrivals
- 85.9%
- Less than 15 minutes late
- Cancelled
- 0.8%
- Of scheduled flights
- Average delay when late
- 58 min
- Flights arriving 15+ minutes late
- Flights tracked
- 922
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 60%
- Airline (crew, maintenance, cleaning) 28%
- Air traffic control & airport 12%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 87.8% | 90 |
| October 2025 | 86.4% | 89 |
| November 2025 | 85.1% | 79 |
| December 2025 | 81.3% | 75 |
| January 2026 | 88.7% | 97 |
| February 2026 | 87.1% | 85 |
| March 2026 | 89.2% | 74 |
| April 2026 | 91.2% | 57 |
| May 2026 | 84.0% | 76 |
| June 2026 | 82.5% | 57 |
| July 2026 | 81.0% | 58 |
| August 2026 | 84.7% | 85 |
Source: U.S. DOT Bureau of Transportation Statistics on-time data, September 2025 – August 2026. Covers flights operated by reporting U.S. carriers. About our data
Airlines on this route
| Airline | Flights | On time | Cancelled | Avg. delay when late |
|---|---|---|---|---|
| Alaska Airlines | 722 | 84.9% | 0.3% | 54 min |
| SkyWest Airlines | 200 | 89.7% | 2.5% | 82 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
-
AS342
13% late · 232 flights
-
AS447
16% late · 185 flights
-
AS1524
34% late · 70 flights
-
AS996
11% late · 55 flights
-
AS946
16% late · 51 flights
-
OO3024
5% late · 41 flights
-
AS281
14% late · 36 flights
-
OO3275
9% late · 35 flights
-
AS612
3% late · 34 flights
-
OO3003
9% late · 34 flights
-
OO3285
15% late · 33 flights
-
AS113
3% late · 31 flights
-
OO3218
14% late · 22 flights
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