ON TIMEBOARD

AA 471 on time

American Airlines 471: Chicago to Philadelphia at 5:45 p.m. (past 12 months)

On time
82%
209 flights · likely 76–86%
Cancelled
1.4%
of scheduled flights
Typical arrival
−9 min
median vs schedule
When late
+71 min
average delay
Similar flights
76%
AA, same route & hour

About 1 in 6 AA 471 flights from Chicago arrived 15+ minutes late, diverted or cancelled over the past year (18%); 1.4% were cancelled. The typical flight landed 9 minutes early.

AA 471: ORD → PHL

Scheduled to leave Chicago at 5:45 p.m. local time. Over the past year it arrived on time 82% of the time (209 flights), better than other AA flights on the route at that hour (76%). Last seen in the data Aug 31, 2026.

Month by month

40%70%100%May 2025: 94% on time (31 flights)94MayJun 2025: 72% on time (29 flights)72JunJul 2025: 81% on time (31 flights)81JulAug 2025: 71% on time (31 flights)71AugSep 2025: 87% on time (30 flights)87SepOct 2025: 84% on time (31 flights)84OctNov 2025: too few flights (1 flights)NovApr 2026: 67% on time (24 flights)67AprMay 2026: 74% on time (31 flights)74MayJun 2026: 90% on time (30 flights)90JunJul 2026: 77% on time (31 flights)77JulAug 2026: 94% on time (31 flights)94Aug

By day of week

DayFlightsOn time
Monday3073%
Tuesday3087%
Wednesday3080%
Thursday3090%
Friday3083%
Saturday3073%
Sunday2986%

Why it was late

Late inbound plane 45%Airline (crew, maintenance, ops) 25%Air traffic & airport (NAS) 22%Severe weather 8%

All flights ORD → PHL · Connecting off AA 471? Check the risk

Questions

How often is AA 471 from ORD to PHL late?

American Airlines 471 from Chicago, IL to Philadelphia, PA arrived 15 or more minutes late, was diverted or was cancelled on 18% of 209 scheduled flights between September 2025 and August 2026. 1.4% 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.