Flight Reliability
AS 250 · Alaska Airlines
Portland → Spokane (PDX–GEG)
84
Pretty Reliable
WanderNerd Reliability Score
- 86%
- Arrive within 15 minutes
- 1 min early
- Average arrival delay
- 2.5%
- Cancelled
- 7 min early
- Median arrival delay
Based on 157 historical flights. Data through May 2026.
What the data says
Thursdays have been rough.
AS 250 arrived on time 95% of the time on Wednesdays and just 79% on Thursdays. That gap is worth planning around.
A bit ahead of the Alaska Airlines network.
AS 250 arrived on time 86% of the time, versus 80% across the Alaska Airlines network.
Slipping a little lately.
AS 250 arrived on time 84% of the time over the last three months in the data, compared with 88% in the three months before that.
The breakdown
- Mon85%(26 flights)
- Tue83%(18 flights)
- Wed95%(19 flights)
- Thu79%(24 flights)
- Fri84%(25 flights)
- Sat91%(21 flights)
- Sun90%(20 flights)
87%
May
Nov 92% → May 87% on time
| Month | On-time percentage | Flights |
|---|---|---|
| November 2025 | 92% | 24 |
| December 2025 | 81% | 21 |
| January 2026 | 93% | 27 |
| February 2026 | 83% | 23 |
| March 2026 | 83% | 12 |
| May 2026 | 87% | 31 |
- Departures on time
- 90%
- Diverted
- 0%
- Flights flown
- 153
- Months covered
- 8
Same route, other flights
Keep nerding
Based on 157 historical flights, because apparently we checked. Historical flight data: U.S. Bureau of Transportation Statistics, June 2025 – May 2026. Data through May 2026. How we calculate this.