AS1109 SEA → SAN

Alaska Airlines · Seattle, WA to San Diego, CA · 82 flights observed, 2025-07-01 to 2025-10-03 · 1,050 mi

AS1109 covers more than one route in the data window — the stats below are for SEA → SAN, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
90%
Median delay
-12 min
90th percentile
+11 min
Cancellation rate
2%

How often is AS1109 on time?

Across 82 flights on SEA → SAN from 2025-07-01 to 2025-10-03, AS1109 arrived within 15 minutes of schedule 90% of the time. The median arrival delay was -12 min, and the worst 10% of flights arrived +11 min or later. 2% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time7290%
16-30 min34%
31-60 min45%
61-120 min11%
2+ hrs00%

Performance by month

MonthFlightsOn-timeAvg delay
2025-072796%-12 min
2025-082592%-7 min
2025-092584%-5 min
2025-10367%-1 min

Performance by day of week

DayFlightsOn-time
Mon13100%
Tue1493%
Wed1392%
Thu1377%
Fri1486%
SatNo data—
Sun1392%

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