Flight Reliability
AS 585 · Alaska Airlines
Los Angeles → Seattle (LAX–SEA)
94
Nerd Approved
WanderNerd Reliability Score
- 88%
- Arrive within 15 minutes
- 4 min early
- Average arrival delay
- 0.5%
- Cancelled
- 11 min early
- Median arrival delay
Based on 201 historical flights. Data through May 2026.
What the data says
The 3–6 PM departure wins.
AS 585 departing between 3–6 PM arrived on time 100% of the time, versus 86% between 12–3 PM.
Saturdays have been rough.
AS 585 arrived on time 97% of the time on Mondays and just 79% on Saturdays. That gap is worth planning around.
Better than the Alaska Airlines network average.
AS 585 arrived on time 88% of the time, versus 80% across the Alaska Airlines network.
The breakdown
- Mon97%(31 flights)
- Tue89%(27 flights)
- Wed96%(26 flights)
- Thu81%(31 flights)
- Fri90%(30 flights)
- Sat79%(28 flights)
- Sun85%(27 flights)
- 12–3 PM86%(168 flights)
- 3–6 PM100%(32 flights)
90%
May
Nov 83% → May 90% on time
| Month | On-time percentage | Flights |
|---|---|---|
| November 2025 | 83% | 18 |
| December 2025 | 77% | 31 |
| January 2026 | 87% | 31 |
| February 2026 | 96% | 28 |
| March 2026 | 93% | 29 |
| April 2026 | 87% | 30 |
| May 2026 | 90% | 30 |
- Departures on time
- 80%
- Diverted
- 0%
- Flights flown
- 200
- Months covered
- 8
Same route, other flights
Keep nerding
Based on 201 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.