ON TIMEBOARD

AA 4563 on time

American Airlines 4563: Raleigh to Chicago at 8:17 p.m. (past 12 months)

On time
58%
152 flights · likely 50–65%
Cancelled
3.3%
of scheduled flights
Typical arrival
+1 min
median vs schedule
When late
+72 min
average delay
Similar flights
63%
AA, same route & hour

About 1 in 2 AA 4563 flights from Raleigh arrived 15+ minutes late, diverted or cancelled over the past year (42%); 3.3% were cancelled. The typical flight landed 1 minutes late.

AA 4563: RDU → ORD

Scheduled to leave Raleigh at 8:17 p.m. local time, operated by Republic Airways as YX 4563. Over the past year it arrived on time 58% of the time (152 flights), worse than other AA flights on the route at that hour (63%). Last seen in the data Aug 31, 2026.

Usually American Airlines's last flight of the day from Raleigh to Chicago (50% of days). American Airlines's last RDU–ORD flight was cancelled 3.8% of the time, against 3.4% for its earlier ones. If it's cancelled, the next American Airlines flight is usually around 7:03 a.m. the next morning.

Month by month

30%65%100%Dec 2024: too few flights (11 flights)DecJan 2025: too few flights (5 flights)JanMar 2025: 88% on time (24 flights)88MarJun 2025: 42% on time (26 flights)42JunJul 2025: 47% on time (30 flights)47JulAug 2025: 52% on time (21 flights)52AugSep 2025: 64% on time (22 flights)64SepOct 2025: 37% on time (27 flights)37OctMay 2026: too few flights (11 flights)MayJun 2026: 70% on time (30 flights)70JunJul 2026: 55% on time (31 flights)55JulAug 2026: 55% on time (31 flights)55Aug

By day of week

DayFlightsOn time
Monday2454%
Tuesday17—
Wednesday2157%
Thursday2357%
Friday2361%
Saturday2162%
Sunday2348%

Why it was late

Air traffic & airport (NAS) 46%Late inbound plane 40%Airline (crew, maintenance, ops) 10%Severe weather 4%

All flights RDU → ORD · Connecting off AA 4563? Check the risk

Questions

How often is AA 4563 from RDU to ORD late?

American Airlines 4563 from Raleigh/Durham, NC to Chicago, IL arrived 15 or more minutes late, was diverted or was cancelled on 42% of 152 scheduled flights between September 2025 and August 2026. 3.3% 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.