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Alaska Airlines / SEA → MSP

AS 555 on time

Alaska Airlines 555: Seattle to Minneapolis at 8:26 a.m.; Minneapolis to Seattle at 2:56 p.m. (past 12 months). Figures below the title are for SEA → MSP, its busiest leg

On time
84%
330 flights · likely 79–87%
Cancelled
1.2%
of scheduled flights
Typical arrival
−5 min
median vs schedule
When late
+40 min
average delay
Similar flights
84%
AS, same route & hour

About 1 in 6 AS 555 flights from Seattle arrived 15+ minutes late, diverted or cancelled over the past year (16%); 1.2% were cancelled. The typical flight landed 5 minutes early.

AS 555: SEA → MSP

Scheduled to leave Seattle at 8:26 a.m. local time. Over the past year it arrived on time 84% of the time (330 flights), in line with other AS flights on the route at that hour (84%). Last seen in the data Aug 31, 2026.

Month by month

40%70%100%Sep 2025: 60% on time (30 flights)60SepOct 2025: 87% on time (31 flights)87OctNov 2025: 97% on time (30 flights)97NovDec 2025: 61% on time (31 flights)61DecJan 2026: 94% on time (31 flights)94JanFeb 2026: 89% on time (28 flights)89FebMar 2026: 76% on time (17 flights)76MarApr 2026: too few flights (9 flights)AprMay 2026: 97% on time (31 flights)97MayJun 2026: 83% on time (30 flights)83JunJul 2026: 87% on time (31 flights)87JulAug 2026: 87% on time (31 flights)87Aug

By day of week

DayFlightsOn time
Monday4885%
Tuesday4787%
Wednesday4789%
Thursday4789%
Friday4772%
Saturday4781%
Sunday4781%

Why it was late

Airline (crew, maintenance, ops) 56%Air traffic & airport (NAS) 39%Late inbound plane 5%

All flights SEA → MSP · Connecting off AS 555? Check the risk

AS 555: MSP → SEA

Scheduled to leave Minneapolis at 2:56 p.m. local time. Over the past year it arrived on time 77% of the time (292 flights), better than other AS flights on the route at that hour (73%). Last seen in the data Aug 31, 2026.

Month by month

20%60%100%Sep 2025: 73% on time (30 flights)73SepOct 2025: 83% on time (30 flights)83OctNov 2025: 93% on time (29 flights)93NovDec 2025: 29% on time (31 flights)29DecJan 2026: 60% on time (20 flights)60JanFeb 2026: too few flights (6 flights)FebMar 2026: too few flights (14 flights)MarApr 2026: 90% on time (21 flights)90AprMay 2026: 95% on time (19 flights)95MayJun 2026: 77% on time (30 flights)77JunJul 2026: 90% on time (31 flights)90JulAug 2026: 84% on time (31 flights)84Aug

By day of week

DayFlightsOn time
Monday4580%
Tuesday3967%
Wednesday3985%
Thursday4372%
Friday4480%
Saturday3874%
Sunday4482%

Why it was late

Late inbound plane 44%Air traffic & airport (NAS) 27%Airline (crew, maintenance, ops) 24%Severe weather 5%Security 1%

All flights MSP → SEA · Connecting off AS 555? Check the risk

Questions

How often is AS 555 from SEA to MSP late?

Alaska Airlines 555 from Seattle, WA to Minneapolis, MN arrived 15 or more minutes late, was diverted or was cancelled on 16% of 330 scheduled flights between September 2025 and August 2026. 1.2% were cancelled.

How often is AS 555 from MSP to SEA late?

Alaska Airlines 555 from Minneapolis, MN to Seattle, WA arrived 15 or more minutes late, was diverted or was cancelled on 23% of 292 scheduled flights between September 2025 and August 2026. 0.3% 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.