ON TIMEBOARD

AS 629 on time

Alaska Airlines 629: Las Vegas to Seattle at 10:28 a.m. (past 12 months)

On time
88%
353 flights · likely 84–91%
Cancelled
0.6%
of scheduled flights
Typical arrival
−10 min
median vs schedule
When late
+100 min
average delay
Similar flights
85%
AS, same route & hour

About 1 in 8 AS 629 flights from Las Vegas arrived 15+ minutes late, diverted or cancelled over the past year (12%); 0.6% were cancelled. The typical flight landed 10 minutes early.

AS 629: LAS → SEA

Scheduled to leave Las Vegas at 10:28 a.m. local time. Over the past year it arrived on time 88% of the time (353 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: 93% on time (30 flights)93SepOct 2025: 81% on time (31 flights)81OctNov 2025: 87% on time (30 flights)87NovDec 2025: 79% on time (29 flights)79DecJan 2026: 87% on time (23 flights)87JanFeb 2026: 88% on time (26 flights)88FebMar 2026: 94% on time (31 flights)94MarApr 2026: 97% on time (30 flights)97AprMay 2026: 90% on time (31 flights)90MayJun 2026: 90% on time (30 flights)90JunJul 2026: 87% on time (31 flights)87JulAug 2026: 81% on time (31 flights)81Aug

By day of week

DayFlightsOn time
Monday5383%
Tuesday5288%
Wednesday5288%
Thursday5294%
Friday4781%
Saturday4587%
Sunday5292%

Why it was late

Airline (crew, maintenance, ops) 53%Late inbound plane 36%Air traffic & airport (NAS) 6%Severe weather 4%

All flights LAS → SEA · Connecting off AS 629? Check the risk

Questions

How often is AS 629 from LAS to SEA late?

Alaska Airlines 629 from Las Vegas, NV to Seattle, WA arrived 15 or more minutes late, was diverted or was cancelled on 12% of 353 scheduled flights between September 2025 and August 2026. 0.6% 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.