AS527 LAX → SEA

Alaska Airlines · Los Angeles, CA to Seattle, WA · 35 flights observed, 2026-03-18 to 2026-04-21 · 954 mi

This flight's reliability varies a lot by day of week — 100% on-time on Mondays vs. 60% on Fridays.

AS527 covers more than one route in the data window — the stats below are for LAX → SEA, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
88%
Median delay
-12 min
90th percentile
+20 min
Cancellation rate
3%

How often is AS527 on time?

Across 35 flights on LAX → SEA from 2026-03-18 to 2026-04-21, AS527 arrived within 15 minutes of schedule 88% of the time. The median arrival delay was -12 min, and the worst 10% of flights arrived +20 min or later. 3% of flights were cancelled.

Delay distribution

Arrival delay for completed flights (excludes cancellations and diversions).

ArrivalFlightsShare
Early / on-time3088%
16-30 min26%
31-60 min13%
61-120 min13%
2+ hrs00%

Performance by month

MonthFlightsOn-timeAvg delay
2026-031479%+2 min
2026-042095%-15 min

Performance by day of week

DayFlightsOn-time
Mon5100%
Tue5100%
Wed5100%
Thu580%
Fri560%
Sat475%
Sun5100%

Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…