ON TIMEBOARD

AA 523 on time

American Airlines 523: Chicago to Washington at 6:08 a.m. (past 12 months)

On time
73%
248 flights · likely 67–78%
Cancelled
4.0%
of scheduled flights
Typical arrival
−3 min
median vs schedule
When late
+71 min
average delay
Similar flights
76%
AA, same route & hour

About 1 in 4 AA 523 flights from Chicago arrived 15+ minutes late, diverted or cancelled over the past year (27%); 4.0% were cancelled. The typical flight landed 3 minutes early.

AA 523: ORD → DCA

Scheduled to leave Chicago at 6:08 a.m. local time. Over the past year it arrived on time 73% of the time (248 flights), worse than other AA flights on the route at that hour (76%). Last seen in the data Aug 31, 2026.

Month by month

30%65%100%Jul 2025: 93% on time (30 flights)93JulAug 2025: 94% on time (31 flights)94AugSep 2025: 83% on time (30 flights)83SepOct 2025: 83% on time (30 flights)83OctNov 2025: 83% on time (30 flights)83NovDec 2025: 63% on time (16 flights)63DecJan 2026: 81% on time (31 flights)81JanFeb 2026: too few flights (11 flights)FebMar 2026: 42% on time (24 flights)42MarApr 2026: 53% on time (30 flights)53AprMay 2026: 80% on time (20 flights)80MayAug 2026: 77% on time (26 flights)77Aug

By day of week

DayFlightsOn time
Monday3656%
Tuesday3678%
Wednesday3678%
Thursday3577%
Friday3574%
Saturday3580%
Sunday3566%

Why it was late

Late inbound plane 48%Air traffic & airport (NAS) 33%Airline (crew, maintenance, ops) 17%Severe weather 1%

All flights ORD → DCA · Connecting off AA 523? Check the risk

Questions

How often is AA 523 from ORD to DCA late?

American Airlines 523 from Chicago, IL to Washington, DC arrived 15 or more minutes late, was diverted or was cancelled on 27% of 248 scheduled flights between September 2025 and August 2026. 4.0% 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.