ON TIMEBOARD

AS 5 on time

Alaska Airlines 5: Washington to Los Angeles at 9:59 a.m. (past 12 months)

On time
69%
364 flights · likely 64–73%
Cancelled
1.7%
of scheduled flights
Typical arrival
0 min
median vs schedule
When late
+55 min
average delay
Similar flights
68%
AS, same route & hour

About 1 in 3 AS 5 flights from Washington arrived 15+ minutes late, diverted or cancelled over the past year (31%); 1.7% were cancelled. The typical flight landed 0 minutes early.

AS 5: DCA → LAX

Scheduled to leave Washington at 9:59 a.m. local time. Over the past year it arrived on time 69% of the time (364 flights), in line with other AS flights on the route at that hour (68%). Last seen in the data Aug 31, 2026.

Month by month

30%65%100%Sep 2025: 73% on time (30 flights)73SepOct 2025: 71% on time (31 flights)71OctNov 2025: 72% on time (29 flights)72NovDec 2025: 52% on time (31 flights)52DecJan 2026: 42% on time (31 flights)42JanFeb 2026: 57% on time (28 flights)57FebMar 2026: 87% on time (31 flights)87MarApr 2026: 80% on time (30 flights)80AprMay 2026: 68% on time (31 flights)68MayJun 2026: 63% on time (30 flights)63JunJul 2026: 77% on time (31 flights)77JulAug 2026: 84% on time (31 flights)84Aug

By day of week

DayFlightsOn time
Monday5370%
Tuesday5273%
Wednesday5265%
Thursday5165%
Friday5263%
Saturday5273%
Sunday5273%

Why it was late

Air traffic & airport (NAS) 54%Airline (crew, maintenance, ops) 28%Late inbound plane 13%Severe weather 4%

All flights DCA → LAX · Connecting off AS 5? Check the risk

Questions

How often is AS 5 from DCA to LAX late?

Alaska Airlines 5 from Washington, DC to Los Angeles, CA arrived 15 or more minutes late, was diverted or was cancelled on 31% of 364 scheduled flights between September 2025 and August 2026. 1.7% 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.