ON TIMEBOARD

AA 529 on time

American Airlines 529: Chicago to Los Angeles at 3:21 p.m. (past 12 months)

On time
56%
165 flights · likely 49–64%
Cancelled
1.2%
of scheduled flights
Typical arrival
+7 min
median vs schedule
When late
+105 min
average delay
Similar flights
62%
AA, same route & hour

About 1 in 2 AA 529 flights from Chicago arrived 15+ minutes late, diverted or cancelled over the past year (44%); 1.2% were cancelled. The typical flight landed 7 minutes late.

AA 529: ORD → LAX

Scheduled to leave Chicago at 3:21 p.m. local time. Over the past year it arrived on time 56% of the time (165 flights), worse than other AA flights on the route at that hour (62%). Last seen in the data Aug 31, 2026.

Month by month

30%65%100%Apr 2025: 77% on time (30 flights)77AprMay 2025: 84% on time (31 flights)84MayJun 2025: 57% on time (30 flights)57JunJul 2025: 61% on time (31 flights)61JulAug 2025: 58% on time (31 flights)58AugSep 2025: 73% on time (30 flights)73SepOct 2025: 61% on time (31 flights)61OctNov 2025: too few flights (1 flights)NovMay 2026: too few flights (11 flights)MayJun 2026: 47% on time (30 flights)47JunJul 2026: 39% on time (31 flights)39JulAug 2026: 48% on time (31 flights)48Aug

By day of week

DayFlightsOn time
Monday2446%
Tuesday2378%
Wednesday2352%
Thursday2442%
Friday2467%
Saturday2458%
Sunday2352%

Why it was late

Late inbound plane 70%Airline (crew, maintenance, ops) 18%Air traffic & airport (NAS) 9%Severe weather 3%

All flights ORD → LAX · Connecting off AA 529? Check the risk

Questions

How often is AA 529 from ORD to LAX late?

American Airlines 529 from Chicago, IL to Los Angeles, CA arrived 15 or more minutes late, was diverted or was cancelled on 44% of 165 scheduled flights between September 2025 and August 2026. 1.2% 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.