About 1 in 5 AA 5966 flights from Philadelphia arrived 15+ minutes late, diverted or cancelled over the past year (18%); 3.0% were cancelled. The typical flight landed 15 minutes early.
AA 5966: PHL → MHT
Scheduled to leave Philadelphia at 10:00 p.m. local time, operated by Piedmont Airlines as PT 5966. Over the past year it arrived on time 82% of the time (131 flights), better than other AA flights on the route at that hour (73%). Last seen in the data Aug 4, 2026.
Usually American Airlines's last flight of the day from Philadelphia to Manchester (100% of days). American Airlines's last PHL–MHT flight was cancelled 4.1% of the time, against 2.7% for its earlier ones. If it's cancelled, the next American Airlines flight is usually around 8:30 a.m. the next morning.
Month by month
By day of week
| Day | Flights | On time |
|---|---|---|
| Monday | 22 | 82% |
| Tuesday | 19 | — |
| Wednesday | 16 | — |
| Thursday | 21 | 67% |
| Friday | 21 | 76% |
| Saturday | 11 | — |
| Sunday | 21 | 95% |
Why it was late
All flights PHL → MHT · Connecting off AA 5966? Check the risk
Questions
How often is AA 5966 from PHL to MHT late?
American Airlines 5966 from Philadelphia, PA to Manchester, NH arrived 15 or more minutes late, was diverted or was cancelled on 18% of 131 scheduled flights between September 2025 and August 2026. 3.0% 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.