AA1850
AA1850 (American Airlines) is a multi-stop service on 7 routes, busiest Boston to Phoenix. Of 573 departures recorded from October 2024 to July 2026, 73.1% left on time, according to the US BTS.
- On-time departures73.1%of 573 flights
- Average delay23.4 min
- July 202662▲ 106.7%vs July 2025
- Cancelled1.6%
- Legs flown under this number7
Recorded departures by month
All legs under this number combined; see the leg table.
Months without data are left blank.
The most recent periods18 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | – | 31 | – |
| February | 11 | 28 | ▲ 154.5% |
| March | 28 | 31 | ▲ 10.7% |
| April | 30 | 26 | ▼ 13.3% |
| May | 30 | 39 | ▲ 30.0% |
| June | 30 | 60 | ▲ 100.0% |
| July | 30 | 62 | ▲ 106.7% |
| August | 14 | – | – |
| September | 12 | – | – |
| October | 16 | – | in progress |
| November | 28 | – | – |
| December | 29 | – | – |
according to the US BTS · October 2024 → July 2026
On-time departures by month
Months without data are left blank.
On time = departure within 15 minutes of schedule. Non-cancelled flights with a recorded delay only.
The most recent periods18 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | – | 86.7% | – |
| February | 63.6% | 88.9% | ▲ 39.7% |
| March | 75.0% | 83.9% | ▲ 11.8% |
| April | 66.7% | 61.5% | ▼ 7.7% |
| May | 43.3% | 84.6% | ▲ 95.3% |
| June | 72.4% | 87.9% | ▲ 21.4% |
| July | 46.7% | 86.2% | ▲ 84.7% |
| August | 42.9% | – | – |
| September | 50.0% | – | – |
| October | 37.5% | – | in progress |
| November | 64.3% | – | – |
| December | 79.3% | – | – |
according to the US BTS · October 2024 → July 2026
Average departure delay by month
Months without data are left blank.
according to the US BTS · October 2024 → July 2026
Cancelled departures by month
Months without data are left blank.
The most recent periods18 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | – | 1 | – |
| February | 0 | 1 | – |
| March | 0 | 0 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 1 | 2 | ▲ 100.0% |
| July | 0 | 4 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 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 98.4% 564
- Cancelled 1.6% 9
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
4| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| BOS PHX Boston Logan International Airport – Phoenix Sky Harbor International Airport | 3,693 | 37.6 min | 58.2% | 238 |
| PHL PHX Philadelphia International Airport – Phoenix Sky Harbor International Airport | 3,332 | 15.2 min | 78.0% | 134 |
| PHL FLL Philadelphia International Airport – Fort Lauderdale Hollywood International Airport | 1,601 | 6.7 min | 89.9% | 72 |
| FLL PHL Fort Lauderdale Hollywood International Airport – Philadelphia International Airport | 1,601 | 24.3 min | 88.4% | 72 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 34 | 34 | 79.4% | 0 |
| November 2024 | 4 | 4 | 100.0% | 0 |
| February 2025 | 11 | 11 | 63.6% | 0 |
| March 2025 | 28 | 28 | 75.0% | 0 |
| April 2025 | 30 | 30 | 66.7% | 0 |
| May 2025 | 30 | 30 | 43.3% | 0 |
| June 2025 | 30 | 29 | 72.4% | 1 |
| July 2025 | 30 | 30 | 46.7% | 0 |
| August 2025 | 14 | 14 | 42.9% | 0 |
| September 2025 | 12 | 12 | 50.0% | 0 |
| October 2025 | 16 | 16 | 37.5% | 0 |
| November 2025 | 28 | 28 | 64.3% | 0 |
| December 2025 | 29 | 29 | 79.3% | 0 |
| January 2026 | 31 | 30 | 86.7% | 1 |
| February 2026 | 28 | 27 | 88.9% | 1 |
| March 2026 | 31 | 31 | 83.9% | 0 |
| April 2026 | 26 | 26 | 61.5% | 0 |
| May 2026 | 39 | 39 | 84.6% | 0 |
| June 2026 | 60 | 58 | 87.9% | 2 |
| July 2026 | 62 | 58 | 86.2% | 4 |