AA1146
AA1146 (American Airlines) is a multi-stop service on 11 routes, busiest Boston to Philadelphia. Of 595 departures recorded from October 2024 to July 2026, 87.8% left on time, according to the US BTS.
- On-time departures87.8%of 595 flights
- Average delay10.4 min
- July 202631▲ 0.0%vs July 2025
- Cancelled2.5%
- Legs flown under this number11
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 | 5 | 29 | ▲ 480.0% |
| February | 16 | 28 | ▲ 75.0% |
| March | 31 | 31 | 0.0% |
| April | 30 | 30 | 0.0% |
| May | 30 | 30 | 0.0% |
| June | 30 | 30 | 0.0% |
| July | 31 | 31 | 0.0% |
| August | 30 | – | – |
| September | 27 | – | – |
| October | 31 | – | in progress |
| November | 26 | – | – |
| December | 31 | – | – |
| Year to date (Jan–Jul) | 173 | 209 | ▲ 20.8% |
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 | 75.0% | 73.1% | ▼ 2.6% |
| February | 87.5% | 81.5% | ▼ 6.9% |
| March | 93.6% | 90.3% | ▼ 3.5% |
| April | 96.7% | 90.0% | ▼ 6.9% |
| May | 93.3% | 93.3% | 0.0% |
| June | 93.1% | 86.2% | ▼ 7.4% |
| July | 88.9% | 89.3% | ▲ 0.4% |
| August | 96.6% | – | – |
| September | 88.9% | – | – |
| October | 100.0% | – | in progress |
| November | 80.8% | – | – |
| December | 71.0% | – | – |
| Year-to-date average (Jan–Jul) | 89.7% | 86.2% | ▼ 3.9% |
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 | 1 | 3 | ▲ 200.0% |
| February | 0 | 1 | – |
| March | 0 | 0 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 1 | 1 | 0.0% |
| July | 4 | 3 | ▼ 25.0% |
| August | 1 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 6 | 8 | ▲ 33.3% |
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 97.5% 580
- Cancelled 2.5% 15
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
3| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| BOS PHL Boston Logan International Airport – Philadelphia International Airport | 450 | 2.9 min | 92.9% | 290 |
| SFO CLT San Francisco International Airport – Charlotte Douglas International Airport | 3,687 | 31.5 min | 79.7% | 147 |
| DFW AUS Dallas Fort Worth International Airport – Austin Bergstrom International Airport | 306 | 6.6 min | 81.8% | 44 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 20 | 20 | 75.0% | 0 |
| November 2024 | 30 | 30 | 96.7% | 0 |
| December 2024 | 18 | 18 | 61.1% | 0 |
| January 2025 | 5 | 4 | 75.0% | 1 |
| February 2025 | 16 | 16 | 87.5% | 0 |
| March 2025 | 31 | 31 | 93.6% | 0 |
| April 2025 | 30 | 30 | 96.7% | 0 |
| May 2025 | 30 | 30 | 93.3% | 0 |
| June 2025 | 30 | 29 | 93.1% | 1 |
| July 2025 | 31 | 27 | 88.9% | 4 |
| August 2025 | 30 | 29 | 96.6% | 1 |
| September 2025 | 27 | 27 | 88.9% | 0 |
| October 2025 | 31 | 31 | 100.0% | 0 |
| November 2025 | 26 | 26 | 80.8% | 0 |
| December 2025 | 31 | 31 | 71.0% | 0 |
| January 2026 | 29 | 26 | 73.1% | 3 |
| February 2026 | 28 | 27 | 81.5% | 1 |
| March 2026 | 31 | 31 | 90.3% | 0 |
| April 2026 | 30 | 30 | 90.0% | 0 |
| May 2026 | 30 | 30 | 93.3% | 0 |
| June 2026 | 30 | 29 | 86.2% | 1 |
| July 2026 | 31 | 28 | 89.3% | 3 |