Flight Reliability
AS 2591 · Alaska Airlines
Seattle → Boise (SEA–BOI)99% of its flights flew this route. The rest (BZN–SAN) are included in these numbers.
82
Pretty Reliable
WanderNerd Reliability Score
- 84%
- Arrive within 15 minutes
- 6 min
- Average arrival delay
- 2.4%
- Cancelled
- 0 min
- Median arrival delay
Based on 127 historical flights. Data through May 2026.
What the data says
Sunday scaries are real for this one.
AS 2591 arrived on time 100% of the time on Wednesdays and just 75% on Sundays. That gap is worth planning around.
A bit ahead of the Alaska Airlines network.
AS 2591 arrived on time 84% of the time, versus 80% across the Alaska Airlines network.
Trending in the right direction.
AS 2591 arrived on time 91% of the time over the last three months in the data, compared with 76% in the three months before that.
The breakdown
- Mon80%(20 flights)
- Tue95%(21 flights)
- Wed100%(16 flights)
- Thu80%(20 flights)
- Fri78%(18 flights)
- Sat77%(13 flights)
- Sun75%(16 flights)
80%
Mar
Jun 86% → Mar 80% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 86% | 29 |
| July 2025 | 84% | 31 |
| August 2025 | 58% | 19 |
| November 2025 | 94% | 18 |
| February 2026 | 100% | 10 |
| March 2026 | 80% | 10 |
- Departures on time
- 85%
- Diverted
- 0%
- Flights flown
- 124
- Months covered
- 8
Same route, other flights
Keep nerding
Based on 127 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.