Flight Reliability
AS 1224 · Alaska Airlines
Seattle → Los Angeles (SEA–LAX)
78
Usually Fine
WanderNerd Reliability Score
- 76%
- Arrive within 15 minutes
- 5 min
- Average arrival delay
- 1.5%
- Cancelled
- 3 min early
- Median arrival delay
Based on 133 historical flights. Data through May 2026.
What the data says
Tuesdays have been rough.
AS 1224 arrived on time 100% of the time on Wednesdays and just 47% on Tuesdays. That gap is worth planning around.
Lagging the SEA–LAX route.
AS 1224 arrived on time 76% of the time, versus 84% across the SEA–LAX route.
A bit behind the Alaska Airlines network.
AS 1224 arrived on time 76% of the time, versus 80% across the Alaska Airlines network.
The breakdown
- Mon79%(19 flights)
- Tue47%(19 flights)
- Wed100%(19 flights)
- Thu74%(19 flights)
- Fri84%(19 flights)
- Sat78%(18 flights)
- Sun67%(18 flights)
79%
Oct
Jun 74% → Oct 79% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 74% | 19 |
| July 2025 | 69% | 29 |
| August 2025 | 58% | 31 |
| September 2025 | 100% | 28 |
| October 2025 | 79% | 24 |
- Departures on time
- 76%
- Diverted
- 0%
- Flights flown
- 131
- Months covered
- 5
Same route, other flights
Keep nerding
Based on 133 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.