ON TIMEBOARD

AS 1470 on time

Alaska Airlines 1470: Chicago to San Diego at 8:20 a.m. (past 12 months)

On time
75%
309 flights · likely 70–80%
Cancelled
1.3%
of scheduled flights
Typical arrival
−8 min
median vs schedule
When late
+59 min
average delay
Similar flights
74%
AS, same route & hour

About 1 in 4 AS 1470 flights from Chicago arrived 15+ minutes late, diverted or cancelled over the past year (25%); 1.3% were cancelled. The typical flight landed 8 minutes early.

AS 1470: ORD → SAN

Scheduled to leave Chicago at 8:20 a.m. local time. Over the past year it arrived on time 75% of the time (309 flights), in line with other AS flights on the route at that hour (74%). Last seen in the data Aug 31, 2026.

Month by month

30%65%100%Oct 2025: too few flights (6 flights)OctNov 2025: 40% on time (30 flights)40NovDec 2025: 52% on time (31 flights)52DecJan 2026: 68% on time (31 flights)68JanFeb 2026: 89% on time (28 flights)89FebMar 2026: 77% on time (31 flights)77MarApr 2026: 80% on time (30 flights)80AprMay 2026: 80% on time (30 flights)80MayJun 2026: 83% on time (30 flights)83JunJul 2026: 87% on time (31 flights)87JulAug 2026: 97% on time (31 flights)97Aug

By day of week

DayFlightsOn time
Monday4578%
Tuesday4480%
Wednesday4367%
Thursday4484%
Friday4464%
Saturday4480%
Sunday4573%

Why it was late

Air traffic & airport (NAS) 39%Airline (crew, maintenance, ops) 34%Severe weather 15%Late inbound plane 12%

All flights ORD → SAN · Connecting off AS 1470? Check the risk

Questions

How often is AS 1470 from ORD to SAN late?

Alaska Airlines 1470 from Chicago, IL to San Diego, CA arrived 15 or more minutes late, was diverted or was cancelled on 25% of 309 scheduled flights between September 2025 and August 2026. 1.3% 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.