ON TIMEBOARD

AS 1493 on time

Alaska Airlines 1493: San Diego to Chicago at 5:23 p.m. (past 12 months)

On time
65%
257 flights · likely 59–71%
Cancelled
2.3%
of scheduled flights
Typical arrival
−5 min
median vs schedule
When late
+67 min
average delay
Similar flights
67%
AS, same route & hour

About 1 in 3 AS 1493 flights from San Diego arrived 15+ minutes late, diverted or cancelled over the past year (35%); 2.3% were cancelled. The typical flight landed 5 minutes early.

AS 1493: SAN → ORD

Scheduled to leave San Diego at 5:23 p.m. local time. Over the past year it arrived on time 65% of the time (257 flights), in line with other AS flights on the route at that hour (67%). Last seen in the data Aug 31, 2026.

Usually Alaska Airlines's last flight of the day from San Diego to Chicago (100% of days). Alaska Airlines's last SAN–ORD flight was cancelled 2.1% of the time, against 2.8% for its earlier ones. If it's cancelled, the next Alaska Airlines flight is usually around 7:00 a.m. the next morning.

Month by month

30%65%100%Oct 2025: too few flights (6 flights)OctNov 2025: 52% on time (29 flights)52NovDec 2025: 68% on time (28 flights)68DecJan 2026: 83% on time (29 flights)83JanFeb 2026: 89% on time (28 flights)89FebMar 2026: 72% on time (25 flights)72MarApr 2026: 53% on time (17 flights)53AprMay 2026: 67% on time (21 flights)67MayJun 2026: 54% on time (24 flights)54JunJul 2026: 63% on time (27 flights)63JulAug 2026: 39% on time (23 flights)39Aug

By day of week

DayFlightsOn time
Monday4556%
Tuesday3080%
Wednesday2864%
Thursday4163%
Friday4468%
Saturday2475%
Sunday4560%

Why it was late

Air traffic & airport (NAS) 46%Late inbound plane 33%Airline (crew, maintenance, ops) 19%Severe weather 2%

All flights SAN → ORD · Connecting off AS 1493? Check the risk

Questions

How often is AS 1493 from SAN to ORD late?

Alaska Airlines 1493 from San Diego, CA to Chicago, IL arrived 15 or more minutes late, was diverted or was cancelled on 35% of 257 scheduled flights between September 2025 and August 2026. 2.3% 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.