MQ4257
MQ4257 (Envoy Air) is a multi-stop service on 7 routes, busiest Amarillo to Dallas-Fort Worth. Of 181 departures recorded from October 2024 to May 2026, 94.3% left on time, according to the US BTS.
- On-time departures94.3%of 181 flights
- Average delay-2.2 min
- May 20262▼ 92.6%vs May 2025
- Cancelled3.3%
- 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 periods11 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | – | 32 | – |
| February | – | 11 | – |
| March | – | 23 | – |
| April | – | 6 | – |
| May | 27 | 2 | ▼ 92.6% |
| June | 5 | – | – |
| July | – | – | – |
| August | 26 | – | – |
| September | 30 | – | – |
| October | 5 | – | in progress |
| November | – | – | – |
| December | 8 | – | – |
according to the US BTS · October 2024 → May 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 periods11 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | – | 100.0% | – |
| February | – | 100.0% | – |
| March | – | 95.7% | – |
| April | – | 100.0% | – |
| May | 87.5% | 100.0% | ▲ 14.3% |
| June | 60.0% | – | – |
| July | – | – | – |
| August | 96.2% | – | – |
| September | 96.7% | – | – |
| October | 100.0% | – | in progress |
| November | – | – | – |
| December | 66.7% | – | – |
according to the US BTS · October 2024 → May 2026
Average departure delay by month
Months without data are left blank.
according to the US BTS · October 2024 → May 2026
Cancelled departures by month
Months without data are left blank.
The most recent periods11 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | – | 1 | – |
| February | – | 0 | – |
| March | – | 0 | – |
| April | – | 0 | – |
| May | 3 | 0 | ▼ 100.0% |
| June | 0 | – | – |
| July | – | – | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | – | – | – |
| December | 2 | – | – |
according to the US BTS · October 2024 → May 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 96.7% 175
- Cancelled 3.3% 6
Share of all recorded flights in the period, all legs. · Oct 13, 2024 → May 16, 2026
On time, leg by leg
Departures within 15 minutes of schedule; small figure = departures recorded.
Legs flown under this number
2| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| AMA DFW Rick Husband Amarillo International Airport – Dallas Fort Worth International Airport | 502 | -4.6 min | 97.7% | 130 |
| DFW STL Dallas Fort Worth International Airport – St. Louis Lambert International Airport | 885 | 4.1 min | 82.1% | 31 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 3 | 3 | 100.0% | 0 |
| November 2024 | 1 | 1 | 100.0% | 0 |
| December 2024 | 2 | 2 | 100.0% | 0 |
| May 2025 | 27 | 24 | 87.5% | 3 |
| June 2025 | 5 | 5 | 60.0% | 0 |
| August 2025 | 26 | 26 | 96.2% | 0 |
| September 2025 | 30 | 30 | 96.7% | 0 |
| October 2025 | 5 | 5 | 100.0% | 0 |
| December 2025 | 8 | 6 | 66.7% | 2 |
| January 2026 | 32 | 31 | 100.0% | 1 |
| February 2026 | 11 | 11 | 100.0% | 0 |
| March 2026 | 23 | 23 | 95.7% | 0 |
| April 2026 | 6 | 6 | 100.0% | 0 |
| May 2026 | 2 | 2 | 100.0% | 0 |