AA1237
AA1237 (American Airlines) is a multi-stop service on 6 routes, busiest Chicago to Tampa. Of 304 departures recorded from October 2024 to April 2026, 70.6% left on time, according to the US BTS.
- On-time departures70.6%of 304 flights
- Average delay24.1 min
- April 20266
- Cancelled1.6%
- Legs flown under this number6
Recorded departures by month
All legs under this number combined; see the leg table.
Months without data are left blank.
The most recent periods9 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | 14 | 31 | ▲ 121.4% |
| February | 22 | 28 | ▲ 27.3% |
| March | 9 | 31 | ▲ 244.4% |
| April | – | 6 | – |
| May | – | – | – |
| June | – | – | – |
| July | – | – | – |
| August | – | – | – |
| September | – | – | – |
| October | – | – | in progress |
| November | 22 | – | – |
| December | 25 | – | – |
according to the US BTS · October 2024 → April 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 periods9 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | 64.3% | 70.0% | ▲ 8.9% |
| February | 77.3% | 85.7% | ▲ 10.9% |
| March | 88.9% | 62.1% | ▼ 30.2% |
| April | – | 83.3% | – |
| May | – | – | – |
| June | – | – | – |
| July | – | – | – |
| August | – | – | – |
| September | – | – | – |
| October | – | – | in progress |
| November | 70.0% | – | – |
| December | 48.0% | – | – |
according to the US BTS · October 2024 → April 2026
Average departure delay by month
Months without data are left blank.
according to the US BTS · October 2024 → April 2026
Cancelled departures by month
Months without data are left blank.
The most recent periods9 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 0 | 1 | – |
| February | 0 | 0 | – |
| March | 0 | 2 | – |
| April | – | 0 | – |
| May | – | – | – |
| June | – | – | – |
| July | – | – | – |
| August | – | – | – |
| September | – | – | – |
| October | – | – | in progress |
| November | 2 | – | – |
| December | 0 | – | – |
according to the US BTS · October 2024 → April 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% 299
- Cancelled 1.6% 5
Share of all recorded flights in the period, all legs. · Oct 13, 2024 → Apr 6, 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 |
|---|---|---|---|---|
| ORD TPA Chicago O'Hare International Airport – Tampa International Airport | 1,631 | 27.3 min | 68.1% | 143 |
| ATL MIA Hartsfield Jackson Atlanta International Airport – Miami International Airport | 959 | 27.7 min | 70.0% | 80 |
| MIA ATL Miami International Airport – Hartsfield Jackson Atlanta International Airport | 959 | 15.5 min | 77.6% | 58 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 17 | 17 | 76.5% | 0 |
| November 2024 | 52 | 52 | 63.5% | 0 |
| December 2024 | 47 | 47 | 78.7% | 0 |
| January 2025 | 14 | 14 | 64.3% | 0 |
| February 2025 | 22 | 22 | 77.3% | 0 |
| March 2025 | 9 | 9 | 88.9% | 0 |
| November 2025 | 22 | 20 | 70.0% | 2 |
| December 2025 | 25 | 25 | 48.0% | 0 |
| January 2026 | 31 | 30 | 70.0% | 1 |
| February 2026 | 28 | 28 | 85.7% | 0 |
| March 2026 | 31 | 29 | 62.1% | 2 |
| April 2026 | 6 | 6 | 83.3% | 0 |