ON TIMEBOARD

AS 312 on time

Alaska Airlines 312: Seattle to Omaha at 9:00 a.m.; Omaha to Seattle at 3:15 p.m. (past 12 months). Figures below the title are for SEA → OMA, its busiest leg

On time
86%
354 flights · likely 82–89%
Cancelled
0.0%
of scheduled flights
Typical arrival
−8 min
median vs schedule
When late
+45 min
average delay
Similar flights
85%
AS, same route & hour

About 1 in 7 AS 312 flights from Seattle arrived 15+ minutes late, diverted or cancelled over the past year (14%); 0.0% were cancelled. The typical flight landed 8 minutes early.

AS 312: SEA → OMA

Scheduled to leave Seattle at 9:00 a.m. local time. Over the past year it arrived on time 86% of the time (354 flights), in line with other AS flights on the route at that hour (85%). Last seen in the data Aug 31, 2026.

Month by month

40%70%100%Sep 2025: 90% on time (30 flights)90SepOct 2025: 81% on time (31 flights)81OctNov 2025: 77% on time (30 flights)77NovDec 2025: 94% on time (31 flights)94DecJan 2026: 88% on time (24 flights)88JanFeb 2026: 84% on time (25 flights)84FebMar 2026: 80% on time (30 flights)80MarApr 2026: 93% on time (30 flights)93AprMay 2026: 90% on time (31 flights)90MayJun 2026: 90% on time (30 flights)90JunJul 2026: 87% on time (31 flights)87JulAug 2026: 77% on time (31 flights)77Aug

By day of week

DayFlightsOn time
Monday5387%
Tuesday4783%
Wednesday5190%
Thursday5287%
Friday5281%
Saturday4791%
Sunday5283%

Why it was late

Airline (crew, maintenance, ops) 36%Air traffic & airport (NAS) 30%Late inbound plane 24%Severe weather 10%

All flights SEA → OMA · Connecting off AS 312? Check the risk

AS 312: OMA → SEA

Scheduled to leave Omaha at 3:15 p.m. local time. Over the past year it arrived on time 84% of the time (340 flights), in line with other AS flights on the route at that hour (82%). Last seen in the data Aug 31, 2026.

Month by month

40%70%100%Sep 2025: 90% on time (30 flights)90SepOct 2025: 81% on time (31 flights)81OctNov 2025: 77% on time (30 flights)77NovDec 2025: 74% on time (31 flights)74DecJan 2026: 83% on time (24 flights)83JanFeb 2026: 84% on time (25 flights)84FebMar 2026: 70% on time (30 flights)70MarApr 2026: 88% on time (26 flights)88AprMay 2026: 93% on time (27 flights)93MayJun 2026: 90% on time (30 flights)90JunJul 2026: 93% on time (30 flights)93JulAug 2026: 81% on time (26 flights)81Aug

By day of week

DayFlightsOn time
Monday5383%
Tuesday4477%
Wednesday4687%
Thursday5281%
Friday5287%
Saturday4193%
Sunday5279%

Why it was late

Late inbound plane 57%Air traffic & airport (NAS) 29%Airline (crew, maintenance, ops) 14%

All flights OMA → SEA · Connecting off AS 312? Check the risk

Questions

How often is AS 312 from SEA to OMA late?

Alaska Airlines 312 from Seattle, WA to Omaha, NE arrived 15 or more minutes late, was diverted or was cancelled on 14% of 354 scheduled flights between September 2025 and August 2026. 0.0% were cancelled.

How often is AS 312 from OMA to SEA late?

Alaska Airlines 312 from Omaha, NE to Seattle, WA arrived 15 or more minutes late, was diverted or was cancelled on 16% of 340 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.