AA1821
AA1821 (American Airlines) is a multi-stop service on 13 routes, busiest Dallas-Fort Worth to Ontario. Of 369 departures recorded from October 2024 to April 2026, 74.8% left on time, according to the US BTS.
- On-time departures74.8%of 369 flights
- Average delay20.7 min
- April 20265
- Cancelled2.2%
- Legs flown under this number13
Recorded departures by month
All legs under this number combined; see the leg table.
Months without data are left blank.
The most recent periods10 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | 12 | 31 | ▲ 158.3% |
| February | 33 | 27 | ▼ 18.2% |
| March | 34 | 30 | ▼ 11.8% |
| April | – | 5 | – |
| May | – | – | – |
| June | – | – | – |
| July | – | – | – |
| August | – | – | – |
| September | 2 | – | – |
| October | – | – | in progress |
| November | 29 | – | – |
| December | 31 | – | – |
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 periods10 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | 58.3% | 78.6% | ▲ 34.7% |
| February | 58.1% | 88.0% | ▲ 51.6% |
| March | 73.5% | 80.0% | ▲ 8.8% |
| April | – | 100.0% | – |
| May | – | – | – |
| June | – | – | – |
| July | – | – | – |
| August | – | – | – |
| September | 50.0% | – | – |
| October | – | – | in progress |
| November | 75.9% | – | – |
| December | 64.5% | – | – |
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 periods10 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 0 | 3 | – |
| February | 2 | 2 | 0.0% |
| March | 0 | 0 | – |
| April | – | 0 | – |
| May | – | – | – |
| June | – | – | – |
| July | – | – | – |
| August | – | – | – |
| September | 0 | – | – |
| October | – | – | in progress |
| November | 0 | – | – |
| 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 97.8% 361
- Cancelled 2.2% 8
Share of all recorded flights in the period, all legs. · Oct 12, 2024 → Apr 6, 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 |
|---|---|---|---|---|
| DFW ONT Dallas Fort Worth International Airport – Ontario International Airport | 1,908 | 18.5 min | 74.4% | 86 |
| ONT DFW Ontario International Airport – Dallas Fort Worth International Airport | 1,908 | 20.8 min | 76.2% | 85 |
| MIA BWI Miami International Airport – Baltimore/Washington International Thurgood Marshall Airport | 1,526 | 22.9 min | 69.2% | 65 |
| BWI CLT Baltimore/Washington International Thurgood Marshall Airport – Charlotte Douglas International Airport | 581 | 5.1 min | 84.4% | 36 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 20 | 20 | 85.0% | 0 |
| November 2024 | 55 | 54 | 72.2% | 1 |
| December 2024 | 60 | 60 | 80.0% | 0 |
| January 2025 | 12 | 12 | 58.3% | 0 |
| February 2025 | 33 | 31 | 58.1% | 2 |
| March 2025 | 34 | 34 | 73.5% | 0 |
| September 2025 | 2 | 2 | 50.0% | 0 |
| November 2025 | 29 | 29 | 75.9% | 0 |
| December 2025 | 31 | 31 | 64.5% | 0 |
| January 2026 | 31 | 28 | 78.6% | 3 |
| February 2026 | 27 | 25 | 88.0% | 2 |
| March 2026 | 30 | 30 | 80.0% | 0 |
| April 2026 | 5 | 5 | 100.0% | 0 |