AS1050 SEA → SFO

Alaska Airlines · Seattle, WA to San Francisco, CA · 109 flights observed, 2025-07-02 to 2025-10-25 · 679 mi

This flight's reliability varies a lot by day of week — 83% on-time on Tuesdays vs. 43% on Sundays.

AS1050 covers more than one route in the data window — the stats below are for SEA → SFO, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
68%
Median delay
+1 min
90th percentile
+72 min
Cancellation rate
3%

How often is AS1050 on time?

Across 109 flights on SEA → SFO from 2025-07-02 to 2025-10-25, AS1050 arrived within 15 minutes of schedule 68% of the time. The median arrival delay was +1 min, and the worst 10% of flights arrived +72 min or later. 3% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time7268%
16-30 min77%
31-60 min1413%
61-120 min98%
2+ hrs44%

Performance by month

MonthFlightsOn-timeAvg delay
2025-072352%+32 min
2025-082962%+22 min
2025-093073%+12 min
2025-102483%+4 min

Performance by day of week

DayFlightsOn-time
Mon1663%
Tue1283%
Wed1573%
Thu1669%
Fri1669%
Sat1776%
Sun1443%

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