AA1521
AA1521 (American Airlines) is a multi-stop service on 12 routes, busiest Miami to Austin. Of 647 departures recorded from November 2024 to July 2026, 81.2% left on time, according to the US BTS.
- On-time departures81.2%of 647 flights
- Average delay10.0 min
- July 202656
- Cancelled0.6%
- Legs flown under this number12
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 | 41 | 31 | ▼ 24.4% |
| February | 34 | 28 | ▼ 17.6% |
| March | 31 | 31 | 0.0% |
| April | 30 | 30 | 0.0% |
| May | 31 | 42 | ▲ 35.5% |
| June | 4 | 60 | ▲ 1,400.0% |
| July | – | 56 | – |
| August | 23 | – | – |
| September | 29 | – | – |
| October | 31 | – | in progress |
| November | 28 | – | – |
| December | 30 | – | – |
according to the US BTS · November 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 | 80.5% | 53.6% | ▼ 33.4% |
| February | 94.1% | 85.7% | ▼ 8.9% |
| March | 87.1% | 64.5% | ▼ 25.9% |
| April | 80.0% | 76.7% | ▼ 4.2% |
| May | 73.3% | 83.3% | ▲ 13.6% |
| June | 100.0% | 93.3% | ▼ 6.7% |
| July | – | 83.9% | – |
| August | 73.9% | – | – |
| September | 86.2% | – | – |
| October | 83.9% | – | in progress |
| November | 78.6% | – | – |
| December | 76.7% | – | – |
according to the US BTS · November 2024 → July 2026
Average departure delay by month
Months without data are left blank.
according to the US BTS · November 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 | 0 | 3 | – |
| February | 0 | 0 | – |
| March | 0 | 0 | – |
| April | 0 | 0 | – |
| May | 1 | 0 | ▼ 100.0% |
| June | 0 | 0 | – |
| July | – | 0 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 0 | – | – |
according to the US BTS · November 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 99.4% 643
- Cancelled 0.6% 4
Share of all recorded flights in the period, all legs. · Nov 5, 2024 → Jul 31, 2026
On time, leg by leg
Departures within 15 minutes of schedule; small figure = departures recorded.
Legs flown under this number
7| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| MIA AUS Miami International Airport – Austin Bergstrom International Airport | 1,772 | 16.7 min | 71.5% | 154 |
| LAX LIH Los Angeles International Airport – Lihue Airport | 4,203 | 6.1 min | 85.2% | 108 |
| MIA CLT Miami International Airport – Charlotte Douglas International Airport | 1,049 | 13.0 min | 77.5% | 80 |
| MIA BNA Miami International Airport – Nashville International Airport | 1,299 | -1.8 min | 94.2% | 69 |
| BNA MIA Nashville International Airport – Miami International Airport | 1,299 | 7.7 min | 84.1% | 69 |
| MCO PHL Orlando International Airport – Philadelphia International Airport | 1,389 | 5.5 min | 87.9% | 33 |
| DFW SAN Dallas Fort Worth International Airport – San Diego International Airport | 1,880 | 19.4 min | 76.7% | 31 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| November 2024 | 26 | 26 | 88.5% | 0 |
| December 2024 | 31 | 31 | 77.4% | 0 |
| January 2025 | 41 | 41 | 80.5% | 0 |
| February 2025 | 34 | 34 | 94.1% | 0 |
| March 2025 | 31 | 31 | 87.1% | 0 |
| April 2025 | 30 | 30 | 80.0% | 0 |
| May 2025 | 31 | 30 | 73.3% | 1 |
| June 2025 | 4 | 4 | 100.0% | 0 |
| August 2025 | 23 | 23 | 73.9% | 0 |
| September 2025 | 29 | 29 | 86.2% | 0 |
| October 2025 | 31 | 31 | 83.9% | 0 |
| November 2025 | 28 | 28 | 78.6% | 0 |
| December 2025 | 30 | 30 | 76.7% | 0 |
| January 2026 | 31 | 28 | 53.6% | 3 |
| February 2026 | 28 | 28 | 85.7% | 0 |
| March 2026 | 31 | 31 | 64.5% | 0 |
| April 2026 | 30 | 30 | 76.7% | 0 |
| May 2026 | 42 | 42 | 83.3% | 0 |
| June 2026 | 60 | 60 | 93.3% | 0 |
| July 2026 | 56 | 56 | 83.9% | 0 |