AS1178 LAX → SEA

Alaska Airlines · Los Angeles, CA to Seattle, WA · 61 flights observed, 2025-08-20 to 2025-10-25 · 954 mi

This flight has a strong track record — on time 97% of the time, with a low cancellation rate.

AS1178 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
97%
Median delay
-14 min
90th percentile
+1 min
Cancellation rate
2%

How often is AS1178 on time?

Across 61 flights on LAX → SEA from 2025-08-20 to 2025-10-25, AS1178 arrived within 15 minutes of schedule 97% of the time. The median arrival delay was -14 min, and the worst 10% of flights arrived +1 min or later. 2% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time5897%
16-30 min23%
31-60 min00%
61-120 min00%
2+ hrs00%

Performance by month

MonthFlightsOn-timeAvg delay
2025-081090%-15 min
2025-092596%-11 min
2025-1025100%-15 min

Performance by day of week

DayFlightsOn-time
Mon989%
Tue9100%
Wed10100%
Thu10100%
Fri989%
Sat4100%
Sun9100%

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