AS630 SFO → SEA

Alaska Airlines · San Francisco, CA to Seattle, WA · 21 flights observed, 2026-06-10 to 2026-06-30 · 679 mi

This flight has been on time less than half the time (10%) — expect a real chance of a delay.

AS630 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
10%
Median delay
+34 min
90th percentile
+46 min
Cancellation rate
0%

How often is AS630 on time?

Across 21 flights on SFO → SEA from 2026-06-10 to 2026-06-30, AS630 arrived within 15 minutes of schedule 10% of the time. The median arrival delay was +34 min, and the worst 10% of flights arrived +46 min or later. 0% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time210%
16-30 min629%
31-60 min1257%
61-120 min00%
2+ hrs15%

Performance by month

MonthFlightsOn-timeAvg delay
2026-062110%+55 min

Performance by day of week

DayFlightsOn-time
Mon30%
Tue30%
Wed333%
Thu30%
Fri30%
Sat30%
Sun333%

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