AA644
AA644 (American Airlines) is a multi-stop service on 7 routes, busiest Salt Lake City to Dallas-Fort Worth. Of 571 departures recorded from October 2024 to July 2026, 70.5% left on time, according to the US BTS.
- On-time departures70.5%of 571 flights
- Average delay39.3 min
- July 202648▲ 54.8%vs July 2025
- Cancelled3.9%
- 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 | 6 | 34 | ▲ 466.7% |
| February | 16 | 25 | ▲ 56.3% |
| March | 31 | 6 | ▼ 80.6% |
| April | 30 | – | – |
| May | 31 | 18 | ▼ 41.9% |
| June | 30 | 42 | ▲ 40.0% |
| July | 31 | 48 | ▲ 54.8% |
| August | 31 | – | – |
| September | 30 | – | – |
| October | 31 | – | in progress |
| November | 22 | – | – |
| December | 31 | – | – |
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 | 50.0% | 45.2% | ▼ 9.7% |
| February | 81.3% | 72.0% | ▼ 11.4% |
| March | 71.0% | 83.3% | ▲ 17.4% |
| April | 85.7% | – | – |
| May | 87.1% | 68.8% | ▼ 21.1% |
| June | 79.3% | 26.3% | ▼ 66.8% |
| July | 83.3% | 37.0% | ▼ 55.6% |
| August | 82.8% | – | – |
| September | 86.7% | – | – |
| October | 90.3% | – | in progress |
| November | 75.0% | – | – |
| December | 55.2% | – | – |
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 | 0 | 3 | – |
| February | 0 | 0 | – |
| March | 0 | 0 | – |
| April | 2 | – | – |
| May | 0 | 2 | – |
| June | 1 | 4 | ▲ 300.0% |
| July | 1 | 2 | ▲ 100.0% |
| August | 2 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 2 | – | – |
| December | 2 | – | – |
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 96.1% 549
- Cancelled 3.9% 22
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 |
|---|---|---|---|---|
| SLC DFW Salt Lake City International Airport – Dallas Fort Worth International Airport | 1,590 | 31.5 min | 82.6% | 323 |
| DFW BUF Dallas Fort Worth International Airport – Buffalo Niagara International Airport | 1,949 | 44.1 min | 52.1% | 76 |
| DFW TYS Dallas Fort Worth International Airport – McGhee Tyson Airport | 1,239 | 58.9 min | 43.1% | 55 |
| TYS DFW McGhee Tyson Airport – Dallas Fort Worth International Airport | 1,239 | 95.3 min | 32.7% | 53 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 20 | 20 | 95.0% | 0 |
| November 2024 | 27 | 26 | 84.6% | 1 |
| December 2024 | 31 | 31 | 80.7% | 0 |
| January 2025 | 6 | 6 | 50.0% | 0 |
| February 2025 | 16 | 16 | 81.3% | 0 |
| March 2025 | 31 | 31 | 71.0% | 0 |
| April 2025 | 30 | 28 | 85.7% | 2 |
| May 2025 | 31 | 31 | 87.1% | 0 |
| June 2025 | 30 | 29 | 79.3% | 1 |
| July 2025 | 31 | 30 | 83.3% | 1 |
| August 2025 | 31 | 29 | 82.8% | 2 |
| September 2025 | 30 | 30 | 86.7% | 0 |
| October 2025 | 31 | 31 | 90.3% | 0 |
| November 2025 | 22 | 20 | 75.0% | 2 |
| December 2025 | 31 | 29 | 55.2% | 2 |
| January 2026 | 34 | 31 | 45.2% | 3 |
| February 2026 | 25 | 25 | 72.0% | 0 |
| March 2026 | 6 | 6 | 83.3% | 0 |
| May 2026 | 18 | 16 | 68.8% | 2 |
| June 2026 | 42 | 38 | 26.3% | 4 |
| July 2026 | 48 | 46 | 37.0% | 2 |