ON TIMEBOARD

AS 494 on time

Alaska Airlines 494: Seattle to San Antonio at 9:38 a.m.; San Antonio to Seattle at 4:44 p.m. (past 12 months). Figures below the title are for SEA → SAT, its busiest leg

On time
76%
340 flights · likely 71–80%
Cancelled
0.9%
of scheduled flights
Typical arrival
−5 min
median vs schedule
When late
+41 min
average delay
Similar flights
75%
AS, same route & hour

About 1 in 4 AS 494 flights from Seattle arrived 15+ minutes late, diverted or cancelled over the past year (24%); 0.9% were cancelled. The typical flight landed 5 minutes early.

AS 494: SEA → SAT

Scheduled to leave Seattle at 9:38 a.m. local time. Over the past year it arrived on time 76% of the time (340 flights), in line with other AS flights on the route at that hour (75%). Last seen in the data Aug 31, 2026.

Month by month

40%70%100%Sep 2025: 82% on time (17 flights)82SepOct 2025: 88% on time (25 flights)88OctNov 2025: 73% on time (30 flights)73NovDec 2025: 61% on time (28 flights)61DecJan 2026: 69% on time (29 flights)69JanFeb 2026: 89% on time (28 flights)89FebMar 2026: 77% on time (30 flights)77MarApr 2026: 87% on time (30 flights)87AprMay 2026: 84% on time (31 flights)84MayJun 2026: 73% on time (30 flights)73JunJul 2026: 61% on time (31 flights)61JulAug 2026: 68% on time (31 flights)68Aug

By day of week

DayFlightsOn time
Monday5374%
Tuesday4685%
Wednesday4676%
Thursday5267%
Friday5184%
Saturday4468%
Sunday4875%

Why it was late

Airline (crew, maintenance, ops) 47%Late inbound plane 37%Air traffic & airport (NAS) 16%Severe weather 1%

All flights SEA → SAT · Connecting off AS 494? Check the risk

AS 494: SAT → SEA

Scheduled to leave San Antonio at 4:44 p.m. local time. Over the past year it arrived on time 72% of the time (281 flights), in line with other AS flights on the route at that hour (72%). Last seen in the data Aug 31, 2026.

Usually Alaska Airlines's last flight of the day from San Antonio to Seattle (51% of days). Alaska Airlines's last SAT–SEA flight was cancelled 1.6% of the time, against 1.1% for its earlier ones. If it's cancelled, the next Alaska Airlines flight is usually around 7:02 a.m. the next morning.

Month by month

40%70%100%Aug 2025: 47% on time (19 flights)47AugOct 2025: too few flights (3 flights)OctNov 2025: 65% on time (20 flights)65NovDec 2025: 53% on time (19 flights)53DecJan 2026: 72% on time (29 flights)72JanFeb 2026: 89% on time (28 flights)89FebMar 2026: 53% on time (30 flights)53MarApr 2026: 90% on time (30 flights)90AprMay 2026: 87% on time (31 flights)87MayJun 2026: 73% on time (30 flights)73JunJul 2026: 67% on time (30 flights)67JulAug 2026: 61% on time (31 flights)61Aug

By day of week

DayFlightsOn time
Monday4573%
Tuesday3776%
Wednesday3476%
Thursday4358%
Friday4379%
Saturday3879%
Sunday4163%

Why it was late

Late inbound plane 60%Airline (crew, maintenance, ops) 19%Air traffic & airport (NAS) 16%Severe weather 5%

All flights SAT → SEA · Connecting off AS 494? Check the risk

Questions

How often is AS 494 from SEA to SAT late?

Alaska Airlines 494 from Seattle, WA to San Antonio, TX arrived 15 or more minutes late, was diverted or was cancelled on 24% of 340 scheduled flights between September 2025 and August 2026. 0.9% were cancelled.

How often is AS 494 from SAT to SEA late?

Alaska Airlines 494 from San Antonio, TX to Seattle, WA arrived 15 or more minutes late, was diverted or was cancelled on 28% of 281 scheduled flights between September 2025 and August 2026. 1.1% 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.