ON TIMEBOARD

AA 2304 on time

American Airlines 2304: Washington to Chicago at 7:35 a.m. (past 12 months)

On time
81%
227 flights · likely 75–85%
Cancelled
2.2%
of scheduled flights
Typical arrival
−12 min
median vs schedule
When late
+122 min
average delay
Similar flights
78%
AA, same route & hour

About 1 in 5 AA 2304 flights from Washington arrived 15+ minutes late, diverted or cancelled over the past year (19%); 2.2% were cancelled. The typical flight landed 12 minutes early.

AA 2304: DCA → ORD

Scheduled to leave Washington at 7:35 a.m. local time. Over the past year it arrived on time 81% of the time (227 flights), in line with other AA flights on the route at that hour (78%). Last seen in the data Aug 31, 2026.

Month by month

40%70%100%Jul 2025: 81% on time (31 flights)81JulAug 2025: 87% on time (31 flights)87AugSep 2025: 100% on time (30 flights)100SepOct 2025: 84% on time (31 flights)84OctNov 2025: too few flights (2 flights)NovDec 2025: too few flights (14 flights)DecJan 2026: too few flights (5 flights)JanApr 2026: 58% on time (24 flights)58AprMay 2026: 77% on time (30 flights)77MayJun 2026: 80% on time (30 flights)80JunJul 2026: 67% on time (30 flights)67JulAug 2026: 87% on time (31 flights)87Aug

By day of week

DayFlightsOn time
Monday3382%
Tuesday3281%
Wednesday3281%
Thursday3391%
Friday3379%
Saturday3379%
Sunday3171%

Why it was late

Airline (crew, maintenance, ops) 56%Late inbound plane 23%Air traffic & airport (NAS) 19%Severe weather 2%

All flights DCA → ORD · Connecting off AA 2304? Check the risk

Questions

How often is AA 2304 from DCA to ORD late?

American Airlines 2304 from Washington, DC to Chicago, IL arrived 15 or more minutes late, was diverted or was cancelled on 19% of 227 scheduled flights between September 2025 and August 2026. 2.2% 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.