ON TIMEBOARD

AS 79 on time

Alaska Airlines 79: Seattle to Anchorage at 7:53 a.m. (past 12 months)

On time
89%
170 flights · likely 84–93%
Cancelled
1.8%
of scheduled flights
Typical arrival
−9 min
median vs schedule
When late
+43 min
average delay
Similar flights
87%
AS, same route & hour

About 1 in 9 AS 79 flights from Seattle arrived 15+ minutes late, diverted or cancelled over the past year (11%); 1.8% were cancelled. The typical flight landed 9 minutes early.

AS 79: SEA → ANC

Scheduled to leave Seattle at 7:53 a.m. local time. Over the past year it arrived on time 89% of the time (170 flights), in line with other AS flights on the route at that hour (87%). Last seen in the data Aug 18, 2026.

Month by month

40%70%100%Jun 2025: 84% on time (19 flights)84JunJul 2025: 58% on time (31 flights)58JulAug 2025: 77% on time (30 flights)77AugSep 2025: 100% on time (29 flights)100SepOct 2025: 80% on time (25 flights)80OctApr 2026: too few flights (8 flights)AprMay 2026: 90% on time (29 flights)90MayJun 2026: 90% on time (30 flights)90JunJul 2026: 81% on time (31 flights)81JulAug 2026: 94% on time (18 flights)94Aug

By day of week

DayFlightsOn time
Monday2492%
Tuesday2596%
Wednesday25100%
Thursday2584%
Friday2592%
Saturday2282%
Sunday2479%

Why it was late

Airline (crew, maintenance, ops) 66%Air traffic & airport (NAS) 20%Late inbound plane 14%

All flights SEA → ANC · Connecting off AS 79? Check the risk

Questions

How often is AS 79 from SEA to ANC late?

Alaska Airlines 79 from Seattle, WA to Anchorage, AK arrived 15 or more minutes late, was diverted or was cancelled on 11% of 170 scheduled flights between September 2025 and August 2026. 1.8% were cancelled.

Flight numbers change. Figures cover flights with this airline, number and route only. "Likely range" is the 95% interval for the true on-time rate given the number of flights. This is history, not live status: check Alaska Airlines for today's flight. Method.