About 1 in 3 AA 4673 flights from Chicago arrived 15+ minutes late, diverted or cancelled over the past year (34%); 6.9% were cancelled. The typical flight landed 2 minutes early.
AA 4673: ORD → ROA
Scheduled to leave Chicago at 9:11 p.m. local time, operated by Republic Airways as YX 4673. Over the past year it arrived on time 66% of the time (174 flights), in line with other AA flights on the route at that hour (64%). Last seen in the data Aug 4, 2026.
Month by month
By day of week
| Day | Flights | On time |
|---|---|---|
| Monday | 25 | 72% |
| Tuesday | 25 | 76% |
| Wednesday | 24 | 79% |
| Thursday | 25 | 44% |
| Friday | 25 | 56% |
| Saturday | 25 | 64% |
| Sunday | 25 | 72% |
Why it was late
All flights ORD → ROA · Connecting off AA 4673? Check the risk
Questions
How often is AA 4673 from ORD to ROA late?
American Airlines 4673 from Chicago, IL to Roanoke, VA arrived 15 or more minutes late, was diverted or was cancelled on 34% of 174 scheduled flights between September 2025 and August 2026. 6.9% 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.