AA577
AA577 (American Airlines) is a multi-stop service on 3 routes, busiest Dallas-Fort Worth to Denver. Of 630 departures recorded from October 2024 to July 2026, 54.2% left on time, according to the US BTS.
- On-time departures54.2%of 630 flights
- Average delay32.5 min
- July 202627▼ 10.0%vs July 2025
- Cancelled4.4%
- Legs flown under this number3
Recorded departures by month
All legs under this number combined; see the leg table.
The most recent periods19 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | 31 | 31 | 0.0% |
| February | 28 | 26 | ▼ 7.1% |
| March | 31 | 30 | ▼ 3.2% |
| April | 30 | 30 | 0.0% |
| May | 31 | 29 | ▼ 6.5% |
| June | 30 | 21 | ▼ 30.0% |
| July | 30 | 27 | ▼ 10.0% |
| August | 31 | – | – |
| September | 30 | – | – |
| October | 30 | – | in progress |
| November | 28 | – | – |
| December | 29 | – | – |
| Year to date (Jan–Jul) | 211 | 194 | ▼ 8.1% |
according to the US BTS · October 2024 → July 2026
On-time departures by month
On time = departure within 15 minutes of schedule. Non-cancelled flights with a recorded delay only.
The most recent periods19 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | 72.4% | 55.6% | ▼ 23.3% |
| February | 71.4% | 75.0% | ▲ 5.0% |
| March | 64.5% | 65.5% | ▲ 1.5% |
| April | 56.7% | 50.0% | ▼ 11.8% |
| May | 37.9% | 48.2% | ▲ 26.9% |
| June | 55.2% | 42.1% | ▼ 23.7% |
| July | 37.0% | 25.9% | ▼ 30.0% |
| August | 48.3% | – | – |
| September | 57.1% | – | – |
| October | 48.3% | – | in progress |
| November | 57.1% | – | – |
| December | 44.8% | – | – |
| Year-to-date average (Jan–Jul) | 56.5% | 51.8% | ▼ 8.3% |
according to the US BTS · October 2024 → July 2026
Average departure delay by month
according to the US BTS · October 2024 → July 2026
Cancelled departures by month
The most recent periods19 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 2 | 4 | ▲ 100.0% |
| February | 0 | 2 | – |
| March | 0 | 1 | – |
| April | 0 | 0 | – |
| May | 2 | 2 | 0.0% |
| June | 1 | 2 | ▲ 100.0% |
| July | 3 | 0 | ▼ 100.0% |
| August | 2 | – | – |
| September | 2 | – | – |
| October | 1 | – | in progress |
| November | 0 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 8 | 11 | ▲ 37.5% |
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 95.6% 602
- Cancelled 4.4% 28
Share of all recorded flights in the period, all legs. · Oct 12, 2024 → Jul 31, 2026
Legs flown under this number
1| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| DFW DEN Dallas Fort Worth International Airport – Denver International Airport | 1,032 | 33.1 min | 53.1% | 608 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 19 | 19 | 84.2% | 0 |
| November 2024 | 29 | 27 | 66.7% | 2 |
| December 2024 | 29 | 27 | 33.3% | 2 |
| January 2025 | 31 | 29 | 72.4% | 2 |
| February 2025 | 28 | 28 | 71.4% | 0 |
| March 2025 | 31 | 31 | 64.5% | 0 |
| April 2025 | 30 | 30 | 56.7% | 0 |
| May 2025 | 31 | 29 | 37.9% | 2 |
| June 2025 | 30 | 29 | 55.2% | 1 |
| July 2025 | 30 | 27 | 37.0% | 3 |
| August 2025 | 31 | 29 | 48.3% | 2 |
| September 2025 | 30 | 28 | 57.1% | 2 |
| October 2025 | 30 | 29 | 48.3% | 1 |
| November 2025 | 28 | 28 | 57.1% | 0 |
| December 2025 | 29 | 29 | 44.8% | 0 |
| January 2026 | 31 | 27 | 55.6% | 4 |
| February 2026 | 26 | 24 | 75.0% | 2 |
| March 2026 | 30 | 29 | 65.5% | 1 |
| April 2026 | 30 | 30 | 50.0% | 0 |
| May 2026 | 29 | 27 | 48.2% | 2 |
| June 2026 | 21 | 19 | 42.1% | 2 |
| July 2026 | 27 | 27 | 25.9% | 0 |