AS1489 SFO → SEA

Alaska Airlines · San Francisco, CA to Seattle, WA · 35 flights observed, 2026-03-18 to 2026-04-21 · 679 mi

This flight's reliability varies a lot by day of week — 80% on-time on Tuesdays vs. 20% on Mondays.

AS1489 covers more than one route in the data window — the stats below are for SFO → SEA, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
54%
Median delay
+8 min
90th percentile
+52 min
Cancellation rate
0%

How often is AS1489 on time?

Across 35 flights on SFO → SEA from 2026-03-18 to 2026-04-21, AS1489 arrived within 15 minutes of schedule 54% of the time. The median arrival delay was +8 min, and the worst 10% of flights arrived +52 min or later. 0% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time1954%
16-30 min617%
31-60 min823%
61-120 min26%
2+ hrs00%

Performance by month

MonthFlightsOn-timeAvg delay
2026-031486%-4 min
2026-042133%+26 min

Performance by day of week

DayFlightsOn-time
Mon520%
Tue580%
Wed580%
Thu540%
Fri560%
Sat540%
Sun560%

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