AA1457
AA1457 (American Airlines) is a multi-stop service on 9 routes, busiest Chicago to Boston. Of 511 departures recorded from October 2024 to May 2026, 76.3% left on time, according to the US BTS.
- On-time departures76.3%of 511 flights
- Average delay13.9 min
- May 202617▲ 325.0%vs May 2025
- Cancelled2.5%
- Legs flown under this number9
Recorded departures by month
All legs under this number combined; see the leg table.
Months without data are left blank.
The most recent periods14 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | 31 | 30 | ▼ 3.2% |
| February | 28 | 25 | ▼ 10.7% |
| March | 31 | 30 | ▼ 3.2% |
| April | 30 | 26 | ▼ 13.3% |
| May | 4 | 17 | ▲ 325.0% |
| June | – | – | – |
| July | – | – | – |
| August | – | – | – |
| September | 56 | – | – |
| October | 62 | – | in progress |
| November | 21 | – | – |
| December | 27 | – | – |
| Year to date (Jan–May) | 124 | 128 | ▲ 3.2% |
according to the US BTS · October 2024 → May 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 periods14 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | 82.8% | 100.0% | ▲ 20.8% |
| February | 78.6% | 91.3% | ▲ 16.2% |
| March | 80.7% | 29.6% | ▼ 63.3% |
| April | 86.7% | 87.5% | ▲ 1.0% |
| May | 100.0% | 76.5% | ▼ 23.5% |
| June | – | – | – |
| July | – | – | – |
| August | – | – | – |
| September | 75.0% | – | – |
| October | 66.1% | – | in progress |
| November | 75.0% | – | – |
| December | 59.3% | – | – |
| Year-to-date average (Jan–May) | 85.7% | 77.0% | ▼ 10.2% |
according to the US BTS · October 2024 → May 2026
Average departure delay by month
Months without data are left blank.
according to the US BTS · October 2024 → May 2026
Cancelled departures by month
Months without data are left blank.
The most recent periods14 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 2 | 3 | ▲ 50.0% |
| February | 0 | 2 | – |
| March | 0 | 3 | – |
| April | 0 | 2 | – |
| May | 0 | 0 | – |
| June | – | – | – |
| July | – | – | – |
| August | – | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 1 | – | – |
| December | 0 | – | – |
| Year to date (Jan–May) | 2 | 10 | ▲ 400.0% |
according to the US BTS · October 2024 → May 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% 498
- Cancelled 2.5% 13
Share of all recorded flights in the period, all legs. · Oct 12, 2024 → May 20, 2026
On time, leg by leg
Departures within 15 minutes of schedule; small figure = departures recorded.
Legs flown under this number
6| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| ORD BOS Chicago O'Hare International Airport – Boston Logan International Airport | 1,391 | 23.5 min | 67.2% | 182 |
| CLT BOS Charlotte Douglas International Airport – Boston Logan International Airport | 1,170 | 5.6 min | 82.1% | 97 |
| BOS ORD Boston Logan International Airport – Chicago O'Hare International Airport | 1,391 | 16.9 min | 71.1% | 76 |
| PHX FAT Phoenix Sky Harbor International Airport – Fresno Yosemite International Airport | 793 | 4.5 min | 86.8% | 68 |
| IND LAX Indianapolis International Airport – Los Angeles International Airport | 2,913 | 13.1 min | 75.6% | 45 |
| PWM DCA Portland International Jetport – Ronald Reagan Washington National Airport | 775 | -5.9 min | 100.0% | 36 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 32 | 32 | 87.5% | 0 |
| November 2024 | 30 | 30 | 80.0% | 0 |
| December 2024 | 31 | 31 | 74.2% | 0 |
| January 2025 | 31 | 29 | 82.8% | 2 |
| February 2025 | 28 | 28 | 78.6% | 0 |
| March 2025 | 31 | 31 | 80.7% | 0 |
| April 2025 | 30 | 30 | 86.7% | 0 |
| May 2025 | 4 | 4 | 100.0% | 0 |
| September 2025 | 56 | 56 | 75.0% | 0 |
| October 2025 | 62 | 62 | 66.1% | 0 |
| November 2025 | 21 | 20 | 75.0% | 1 |
| December 2025 | 27 | 27 | 59.3% | 0 |
| January 2026 | 30 | 27 | 100.0% | 3 |
| February 2026 | 25 | 23 | 91.3% | 2 |
| March 2026 | 30 | 27 | 29.6% | 3 |
| April 2026 | 26 | 24 | 87.5% | 2 |
| May 2026 | 17 | 17 | 76.5% | 0 |