ON TIMEBOARD

AA 338 on time

American Airlines 338: Phoenix to Chicago at 12:15 p.m. (past 12 months)

On time
68%
149 flights · likely 61–75%
Cancelled
0.7%
of scheduled flights
Typical arrival
−9 min
median vs schedule
When late
+69 min
average delay
Similar flights
71%
AA, same route & hour

About 1 in 3 AA 338 flights from Phoenix arrived 15+ minutes late, diverted or cancelled over the past year (32%); 0.7% were cancelled. The typical flight landed 9 minutes early.

AA 338: PHX → ORD

Scheduled to leave Phoenix at 12:15 p.m. local time. Over the past year it arrived on time 68% of the time (149 flights), in line with other AA flights on the route at that hour (71%). Last seen in the data Aug 31, 2026.

Month by month

40%70%100%Nov 2024: too few flights (4 flights)NovApr 2025: 81% on time (27 flights)81AprMay 2025: 84% on time (31 flights)84MayJun 2025: 67% on time (30 flights)67JunJul 2025: 68% on time (31 flights)68JulAug 2025: 74% on time (31 flights)74AugSep 2025: too few flights (2 flights)SepApr 2026: 71% on time (24 flights)71AprMay 2026: 77% on time (31 flights)77MayJun 2026: 50% on time (30 flights)50JunJul 2026: 61% on time (31 flights)61JulAug 2026: 81% on time (31 flights)81Aug

By day of week

DayFlightsOn time
Monday2259%
Tuesday2277%
Wednesday2171%
Thursday2181%
Friday2162%
Saturday2176%
Sunday2152%

Why it was late

Late inbound plane 48%Air traffic & airport (NAS) 37%Airline (crew, maintenance, ops) 15%

All flights PHX → ORD · Connecting off AA 338? Check the risk

Questions

How often is AA 338 from PHX to ORD late?

American Airlines 338 from Phoenix, AZ to Chicago, IL arrived 15 or more minutes late, was diverted or was cancelled on 32% of 149 scheduled flights between September 2025 and August 2026. 0.7% 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 American Airlines for today's flight. Method.