About 1 in 3 AA 4140 flights from Chicago arrived 15+ minutes late, diverted or cancelled over the past year (31%); 4.5% were cancelled. The typical flight landed 5 minutes early.
AA 4140: ORD → AVP
Scheduled to leave Chicago at 8:50 p.m. local time, operated by Envoy as MQ 4140. Over the past year it arrived on time 69% of the time (289 flights), worse than other AA flights on the route at that hour (74%). Last seen in the data Aug 31, 2026.
Usually American Airlines's last flight of the day from Chicago to Scranton (82% of days). American Airlines's last ORD–AVP flight was cancelled 4.6% of the time, against 0.7% for its earlier ones. If it's cancelled, the next American Airlines flight is usually around 3:00 p.m. the next morning.
Month by month
By day of week
| Day | Flights | On time |
|---|---|---|
| Monday | 44 | 66% |
| Tuesday | 42 | 67% |
| Wednesday | 39 | 64% |
| Thursday | 39 | 69% |
| Friday | 41 | 80% |
| Saturday | 41 | 73% |
| Sunday | 43 | 65% |
Why it was late
All flights ORD → AVP · Connecting off AA 4140? Check the risk
Questions
How often is AA 4140 from ORD to AVP late?
American Airlines 4140 from Chicago, IL to Scranton/Wilkes-Barre, PA arrived 15 or more minutes late, was diverted or was cancelled on 31% of 289 scheduled flights between September 2025 and August 2026. 4.5% 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.