ON TIMEBOARD

AS 658 on time

Alaska Airlines 658: Seattle to Las Vegas at 1:00 p.m. (past 12 months)

On time
81%
254 flights · likely 76–85%
Cancelled
0.4%
of scheduled flights
Typical arrival
−3 min
median vs schedule
When late
+41 min
average delay
Similar flights
79%
AS, same route & hour

About 1 in 5 AS 658 flights from Seattle arrived 15+ minutes late, diverted or cancelled over the past year (19%); 0.4% were cancelled. The typical flight landed 3 minutes early.

AS 658: SEA → LAS

Scheduled to leave Seattle at 1:00 p.m. local time. Over the past year it arrived on time 81% of the time (254 flights), in line with other AS flights on the route at that hour (79%). Last seen in the data Aug 18, 2026.

Month by month

40%70%100%Aug 2025: 77% on time (30 flights)77AugSep 2025: 83% on time (30 flights)83SepOct 2025: 72% on time (25 flights)72OctNov 2025: too few flights (10 flights)NovDec 2025: too few flights (1 flights)DecFeb 2026: 76% on time (17 flights)76FebMar 2026: 84% on time (31 flights)84MarApr 2026: 93% on time (30 flights)93AprMay 2026: 81% on time (31 flights)81MayJun 2026: 83% on time (30 flights)83JunJul 2026: 71% on time (31 flights)71JulAug 2026: 89% on time (18 flights)89Aug

By day of week

DayFlightsOn time
Monday3770%
Tuesday3692%
Wednesday3580%
Thursday3678%
Friday3781%
Saturday3792%
Sunday3675%

Why it was late

Airline (crew, maintenance, ops) 47%Late inbound plane 31%Air traffic & airport (NAS) 23%

All flights SEA → LAS · Connecting off AS 658? Check the risk

Questions

How often is AS 658 from SEA to LAS late?

Alaska Airlines 658 from Seattle, WA to Las Vegas, NV arrived 15 or more minutes late, was diverted or was cancelled on 19% of 254 scheduled flights between September 2025 and August 2026. 0.4% 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.