Flight Reliability
AS 864 · Alaska Airlines
Spokane → Portland (GEG–PDX)
93
Nerd Approved
WanderNerd Reliability Score
- 88%
- Arrive within 15 minutes
- 2 min
- Average arrival delay
- 0.8%
- Cancelled
- 3 min early
- Median arrival delay
Based on 119 historical flights. Data through May 2026.
What the data says
Thursdays have been rough.
AS 864 arrived on time 95% of the time on Tuesdays and just 78% on Thursdays. That gap is worth planning around.
Better than the Alaska Airlines network average.
AS 864 arrived on time 88% of the time, versus 80% across the Alaska Airlines network.
The breakdown
- Mon84%(19 flights)
- Tue95%(19 flights)
- Wed90%(19 flights)
- Thu78%(18 flights)
- Fri83%(18 flights)
- Sat—(6 flights)
- Sun95%(19 flights)
84%
Oct
Jun 94% → Oct 84% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 94% | 16 |
| July 2025 | 85% | 27 |
| August 2025 | 93% | 28 |
| September 2025 | 86% | 28 |
| October 2025 | 84% | 19 |
- Departures on time
- 85%
- Diverted
- 0%
- Flights flown
- 118
- Months covered
- 5
Same route, other flights
Keep nerding
Based on 119 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.