Flight Reliability
AS 1306 · Alaska Airlines
Seattle → Los Angeles (SEA–LAX)
90
Nerd Approved
WanderNerd Reliability Score
- 89%
- Arrive within 15 minutes
- 2 min early
- Average arrival delay
- 1.8%
- Cancelled
- 7 min early
- Median arrival delay
Based on 332 historical flights. Data through May 2026.
What the data says
Skip Wednesday if you can.
AS 1306 arrived on time 96% of the time on Thursdays. On Wednesdays: 83%.
A bit ahead of the SEA–LAX route.
AS 1306 arrived on time 89% of the time, versus 84% across the SEA–LAX route.
Better than the Alaska Airlines network average.
AS 1306 arrived on time 89% of the time, versus 80% across the Alaska Airlines network.
The breakdown
- Mon90%(52 flights)
- Tue92%(37 flights)
- Wed83%(40 flights)
- Thu96%(48 flights)
- Fri88%(51 flights)
- Sat87%(47 flights)
- Sun88%(51 flights)
94%
May
Jun 79% → May 94% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 79% | 29 |
| July 2025 | 86% | 29 |
| August 2025 | 90% | 30 |
| September 2025 | 97% | 29 |
| October 2025 | 100% | 23 |
| November 2025 | 89% | 27 |
| December 2025 | 89% | 28 |
| January 2026 | 87% | 30 |
| February 2026 | 88% | 24 |
| March 2026 | 86% | 22 |
| April 2026 | 88% | 24 |
| May 2026 | 94% | 31 |
- Departures on time
- 89%
- Diverted
- 0%
- Flights flown
- 326
- Months covered
- 12
Same route, other flights
Keep nerding
Based on 332 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.