AA2166
AA2166 (American Airlines) is a multi-stop service on 27 routes, busiest Boston to Philadelphia. Of 861 departures recorded from October 2024 to July 2026, 79.6% left on time, according to the US BTS.
- On-time departures79.6%of 861 flights
- Average delay14.3 min
- July 202654▼ 12.9%vs July 2025
- Cancelled1.9%
- Legs flown under this number27
Recorded departures by month
All legs under this number combined; see the leg table.
The most recent periods19 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | 29 | 30 | ▲ 3.4% |
| February | 28 | 28 | 0.0% |
| March | 31 | 55 | ▲ 77.4% |
| April | 30 | 60 | ▲ 100.0% |
| May | 31 | 58 | ▲ 87.1% |
| June | 56 | 50 | ▼ 10.7% |
| July | 62 | 54 | ▼ 12.9% |
| August | 62 | – | – |
| September | 20 | – | – |
| October | 30 | – | in progress |
| November | 27 | – | – |
| December | 30 | – | – |
| Year to date (Jan–Jul) | 267 | 335 | ▲ 25.5% |
according to the US BTS · October 2024 → July 2026
On-time departures by month
On time = departure within 15 minutes of schedule. Non-cancelled flights with a recorded delay only.
The most recent periods19 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | 96.3% | 80.0% | ▼ 16.9% |
| February | 89.3% | 70.4% | ▼ 21.2% |
| March | 100.0% | 74.1% | ▼ 25.9% |
| April | 66.7% | 80.0% | ▲ 20.0% |
| May | 58.6% | 72.4% | ▲ 23.5% |
| June | 71.4% | 78.3% | ▲ 9.6% |
| July | 61.3% | 83.3% | ▲ 36.0% |
| August | 83.6% | – | – |
| September | 80.0% | – | – |
| October | 80.0% | – | in progress |
| November | 96.3% | – | – |
| December | 96.7% | – | – |
| Year-to-date average (Jan–Jul) | 77.7% | 76.9% | ▼ 0.9% |
according to the US BTS · October 2024 → July 2026
Average departure delay by month
according to the US BTS · October 2024 → July 2026
Cancelled departures by month
The most recent periods19 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 2 | 5 | ▲ 150.0% |
| February | 0 | 1 | – |
| March | 0 | 1 | – |
| April | 0 | 0 | – |
| May | 2 | 0 | ▼ 100.0% |
| June | 0 | 4 | – |
| July | 0 | 0 | – |
| August | 1 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 4 | 11 | ▲ 175.0% |
according to the US BTS · October 2024 → July 2026
This is a historical record of departures already flown, not a forecast for your flight.
Several legs: the headline figure averages all of them. See the leg table.
Cancellation share
- Not cancelled 98.1% 845
- Cancelled 1.9% 16
Share of all recorded flights in the period, all legs. · Oct 12, 2024 → Jul 31, 2026
On time, leg by leg
Departures within 15 minutes of schedule; small figure = departures recorded.
Legs flown under this number
12Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 40 | 40 | 95.0% | 0 |
| November 2024 | 31 | 31 | 87.1% | 0 |
| December 2024 | 19 | 19 | 79.0% | 0 |
| January 2025 | 29 | 27 | 96.3% | 2 |
| February 2025 | 28 | 28 | 89.3% | 0 |
| March 2025 | 31 | 31 | 100.0% | 0 |
| April 2025 | 30 | 30 | 66.7% | 0 |
| May 2025 | 31 | 29 | 58.6% | 2 |
| June 2025 | 56 | 56 | 71.4% | 0 |
| July 2025 | 62 | 62 | 61.3% | 0 |
| August 2025 | 62 | 61 | 83.6% | 1 |
| September 2025 | 20 | 20 | 80.0% | 0 |
| October 2025 | 30 | 30 | 80.0% | 0 |
| November 2025 | 27 | 27 | 96.3% | 0 |
| December 2025 | 30 | 30 | 96.7% | 0 |
| January 2026 | 30 | 25 | 80.0% | 5 |
| February 2026 | 28 | 27 | 70.4% | 1 |
| March 2026 | 55 | 54 | 74.1% | 1 |
| April 2026 | 60 | 60 | 80.0% | 0 |
| May 2026 | 58 | 58 | 72.4% | 0 |
| June 2026 | 50 | 46 | 78.3% | 4 |
| July 2026 | 54 | 54 | 83.3% | 0 |