AS1258 SEA → SAN

Alaska Airlines · Seattle, WA to San Diego, CA · 104 flights observed, 2025-07-01 to 2025-10-25 · 1,050 mi

This flight's scheduled flight time has grown by 10 min since 2025-07 — some of the on-time performance may reflect a more generous published schedule, not a faster or more reliable flight.
On-time arrival
90%
Median delay
-11 min
90th percentile
+16 min
Cancellation rate
4%

How often is AS1258 on time?

Across 104 flights on SEA → SAN from 2025-07-01 to 2025-10-25, AS1258 arrived within 15 minutes of schedule 90% of the time. The median arrival delay was -11 min, and the worst 10% of flights arrived +16 min or later. 4% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time8990%
16-30 min44%
31-60 min44%
61-120 min22%
2+ hrs00%

Performance by month

MonthFlightsOn-timeAvg delay
2025-072993%-2 min
2025-082793%-2 min
2025-092095%-19 min
2025-102378%-6 min

Performance by day of week

DayFlightsOn-time
Mon1694%
Tue11100%
Wed1090%
Thu1587%
Fri1681%
Sat1688%
Sun1593%

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