Flight Reliability
AS 391 · Alaska Airlines
Everett → Las Vegas (PAE–LAS)85% of its flights flew this route. The rest (IND–SEA, SEA–IAH) are included in these numbers.
87
Pretty Reliable
WanderNerd Reliability Score
- 79%
- Arrive within 15 minutes
- 6 min
- Average arrival delay
- 0%
- Cancelled
- 3 min early
- Median arrival delay
Based on 81 historical flights. Data through May 2026.
What the data says
The late departure is the smart one here.
AS 391 departing between 6–9 PM arrived on time 80% of the time, versus 73% between 6–9 AM.
Thursdays have been rough.
AS 391 arrived on time 100% of the time on Saturdays and just 46% on Thursdays. That gap is worth planning around.
A bit behind the PAE–LAS route.
AS 391 arrived on time 79% of the time, versus 84% across the PAE–LAS route.
The breakdown
- Mon75%(12 flights)
- Tue75%(12 flights)
- Wed82%(11 flights)
- Thu46%(11 flights)
- Fri92%(12 flights)
- Sat100%(11 flights)
- Sun83%(12 flights)
- 6–9 AM73%(11 flights)
- 3–6 PM—(1 flights)
- 6–9 PM80%(69 flights)
84%
Aug
Jun 73% → Aug 84% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 73% | 30 |
| July 2025 | 81% | 31 |
| August 2025 | 84% | 19 |
- Departures on time
- 86%
- Diverted
- 0%
- Flights flown
- 81
- Months covered
- 4
Same route, other flights
Keep nerding
Based on 81 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.