About 1 in 9 AA 4354 flights from Chicago arrived 15+ minutes late, diverted or cancelled over the past year (11%); 1.2% were cancelled. The typical flight landed 14 minutes early.
AA 4354: ORD → RDU
Scheduled to leave Chicago at 8:18 a.m. local time, operated by Republic Airways as YX 4354. Over the past year it arrived on time 89% of the time (165 flights), in line with other AA flights on the route at that hour (87%). Last seen in the data Aug 31, 2026.
Month by month
By day of week
| Day | Flights | On time |
|---|---|---|
| Monday | 24 | 96% |
| Tuesday | 23 | 83% |
| Wednesday | 23 | 100% |
| Thursday | 24 | 92% |
| Friday | 24 | 88% |
| Saturday | 24 | 79% |
| Sunday | 23 | 87% |
Why it was late
All flights ORD → RDU · Connecting off AA 4354? Check the risk
Questions
How often is AA 4354 from ORD to RDU late?
American Airlines 4354 from Chicago, IL to Raleigh/Durham, NC arrived 15 or more minutes late, was diverted or was cancelled on 11% 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.