AS254 SEA → SAN

Alaska Airlines · Seattle, WA to San Diego, CA · 50 flights observed, 2025-12-18 to 2026-04-21 · 1,050 mi

This flight runs much more reliably at some times of day than others — 90% on-time departing 12–3pm vs. 45% departing 6–9pm.

AS254 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
72%
Median delay
+6 min
90th percentile
+94 min
Cancellation rate
0%

How often is AS254 on time?

Across 50 flights on SEA → SAN from 2025-12-18 to 2026-04-21, AS254 arrived within 15 minutes of schedule 72% of the time. The median arrival delay was +6 min, and the worst 10% of flights arrived +94 min or later. 0% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time3672%
16-30 min36%
31-60 min24%
61-120 min612%
2+ hrs36%

Performance by month

MonthFlightsOn-timeAvg delay
2025-121450%+41 min
2026-01633%+76 min
2026-031283%+9 min
2026-041894%-1 min

Performance by day of week

DayFlightsOn-time
Mon875%
Tue875%
Wed771%
Thu888%
Fri863%
Sat367%
Sun863%

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