AA1874
AA1874 (American Airlines) flies Philadelphia to Boston. Of 555 departures recorded from October 2024 to July 2026, 70.8% left on time, according to the US BTS.
- On-time departures70.8%of 555 flights
- Average delay20.3 min
- July 202629▲ 0.0%vs July 2025
- Cancelled3.6%
according to the US BTS · Oct 12, 2024 → Jul 31, 2026 domestic flights only
Recorded departures by month
Partial coverage: domestic flights only · 22 of 22 periods have data
The most recent periods19 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | 18 | 31 | ▲ 72.2% |
| February | 22 | 25 | ▲ 13.6% |
| March | 31 | 27 | ▼ 12.9% |
| April | 30 | 29 | ▼ 3.3% |
| May | 30 | 24 | ▼ 20.0% |
| June | 30 | 14 | ▼ 53.3% |
| July | 29 | 29 | 0.0% |
| August | 21 | – | – |
| September | 15 | – | – |
| October | 25 | – | in progress |
| November | 28 | – | – |
| December | 27 | – | – |
| Year to date (Jan–Jul) | 190 | 179 | ▼ 5.8% |
according to the US BTS · October 2024 → July 2026
On-time departures by month
Partial coverage: domestic flights only · 22 of 22 periods have data
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 | 83.3% | 78.6% | ▼ 5.7% |
| February | 81.8% | 73.9% | ▼ 9.7% |
| March | 73.3% | 74.1% | ▲ 1.0% |
| April | 80.0% | 69.0% | ▼ 13.8% |
| May | 65.5% | 73.9% | ▲ 12.8% |
| June | 58.6% | 53.9% | ▼ 8.1% |
| July | 34.6% | 56.0% | ▲ 61.8% |
| August | 52.4% | – | – |
| September | 60.0% | – | – |
| October | 72.0% | – | in progress |
| November | 80.8% | – | – |
| December | 69.2% | – | – |
| Year-to-date average (Jan–Jul) | 68.2% | 68.5% | ▲ 0.4% |
according to the US BTS · October 2024 → July 2026
Average departure delay by month
Partial coverage: domestic flights only · 22 of 22 periods have data
according to the US BTS · October 2024 → July 2026
Cancelled departures by month
Partial coverage: domestic flights only · 22 of 22 periods have data
The most recent periods19 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 0 | 3 | – |
| February | 0 | 2 | – |
| March | 1 | 0 | ▼ 100.0% |
| April | 0 | 0 | – |
| May | 1 | 1 | 0.0% |
| June | 1 | 1 | 0.0% |
| July | 3 | 4 | ▲ 33.3% |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 2 | – | – |
| December | 1 | – | – |
| Year to date (Jan–Jul) | 6 | 11 | ▲ 83.3% |
according to the US BTS · October 2024 → July 2026
This is not a forecast
This is a historical record of departures already flown, not a forecast for your flight.
Cancellation share
- Not cancelled 96.4% 535
- Cancelled 3.6% 20
Share of all recorded flights in the period, all legs. · Oct 12, 2024 → Jul 31, 2026
Legs flown under this number
1| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| PHL BOS Philadelphia International Airport – Boston Logan International Airport | 450 | 20.3 min | 70.8% | 555 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 19 | 19 | 94.7% | 0 |
| November 2024 | 25 | 25 | 88.0% | 0 |
| December 2024 | 26 | 26 | 80.8% | 0 |
| January 2025 | 18 | 18 | 83.3% | 0 |
| February 2025 | 22 | 22 | 81.8% | 0 |
| March 2025 | 31 | 30 | 73.3% | 1 |
| April 2025 | 30 | 30 | 80.0% | 0 |
| May 2025 | 30 | 29 | 65.5% | 1 |
| June 2025 | 30 | 29 | 58.6% | 1 |
| July 2025 | 29 | 26 | 34.6% | 3 |
| August 2025 | 21 | 21 | 52.4% | 0 |
| September 2025 | 15 | 15 | 60.0% | 0 |
| October 2025 | 25 | 25 | 72.0% | 0 |
| November 2025 | 28 | 26 | 80.8% | 2 |
| December 2025 | 27 | 26 | 69.2% | 1 |
| January 2026 | 31 | 28 | 78.6% | 3 |
| February 2026 | 25 | 23 | 73.9% | 2 |
| March 2026 | 27 | 27 | 74.1% | 0 |
| April 2026 | 29 | 29 | 69.0% | 0 |
| May 2026 | 24 | 23 | 73.9% | 1 |
| June 2026 | 14 | 13 | 53.9% | 1 |
| July 2026 | 29 | 25 | 56.0% | 4 |