MQ4127
MQ4127 (Envoy Air) is a multi-stop service on 7 routes, busiest Birmingham to Dallas-Fort Worth. Of 390 departures recorded from March 2025 to July 2026, 86.0% left on time, according to the US BTS.
- On-time departures86.0%of 390 flights
- Average delay9.6 min
- July 20261▼ 96.8%vs July 2025
- Cancelled1.0%
- 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 periods14 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | – | – | – |
| February | – | – | – |
| March | 50 | – | – |
| April | 30 | 42 | ▲ 40.0% |
| May | 31 | 41 | ▲ 32.3% |
| June | 30 | 27 | ▼ 10.0% |
| July | 31 | 1 | ▼ 96.8% |
| August | 31 | – | – |
| September | 3 | – | – |
| October | 26 | – | in progress |
| November | 30 | – | – |
| December | 17 | – | – |
according to the US BTS · March 2025 → 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 periods14 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | – | – | – |
| February | – | – | – |
| March | 84.0% | – | – |
| April | 72.4% | 90.5% | ▲ 25.0% |
| May | 82.8% | 90.2% | ▲ 9.0% |
| June | 89.7% | 96.3% | ▲ 7.4% |
| July | 83.9% | 100.0% | ▲ 19.2% |
| August | 87.1% | – | – |
| September | 100.0% | – | – |
| October | 80.8% | – | in progress |
| November | 86.7% | – | – |
| December | 82.4% | – | – |
according to the US BTS · March 2025 → July 2026
Average departure delay by month
Months without data are left blank.
according to the US BTS · March 2025 → July 2026
Cancelled departures by month
Months without data are left blank.
The most recent periods14 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | – | – | – |
| February | – | – | – |
| March | 0 | – | – |
| April | 1 | 0 | ▼ 100.0% |
| May | 2 | 0 | ▼ 100.0% |
| June | 1 | 0 | ▼ 100.0% |
| July | 0 | 0 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 0 | – | – |
according to the US BTS · March 2025 → 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 99.0% 386
- Cancelled 1.0% 4
Share of all recorded flights in the period, all legs. · Mar 6, 2025 → Jul 1, 2026
On time, leg by leg
Departures within 15 minutes of schedule; small figure = departures recorded.
Legs flown under this number
5| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| BHM DFW Birmingham-Shuttlesworth International Airport – Dallas Fort Worth International Airport | 959 | 14.4 min | 86.0% | 189 |
| ICT PHX Wichita Dwight D. Eisenhower National Airport – Phoenix Sky Harbor International Airport | 1,398 | 4.3 min | 84.8% | 46 |
| GSO DCA Piedmont Triad International Airport – Ronald Reagan Washington National Airport | 399 | 0.3 min | 86.8% | 38 |
| DCA GSO Ronald Reagan Washington National Airport – Piedmont Triad International Airport | 399 | 0.2 min | 92.1% | 38 |
| LBB DFW Lubbock Preston Smith International Airport – Dallas Fort Worth International Airport | 453 | 11.5 min | 83.3% | 31 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| March 2025 | 50 | 50 | 84.0% | 0 |
| April 2025 | 30 | 29 | 72.4% | 1 |
| May 2025 | 31 | 29 | 82.8% | 2 |
| June 2025 | 30 | 29 | 89.7% | 1 |
| July 2025 | 31 | 31 | 83.9% | 0 |
| August 2025 | 31 | 31 | 87.1% | 0 |
| September 2025 | 3 | 3 | 100.0% | 0 |
| October 2025 | 26 | 26 | 80.8% | 0 |
| November 2025 | 30 | 30 | 86.7% | 0 |
| December 2025 | 17 | 17 | 82.4% | 0 |
| April 2026 | 42 | 42 | 90.5% | 0 |
| May 2026 | 41 | 41 | 90.2% | 0 |
| June 2026 | 27 | 27 | 96.3% | 0 |
| July 2026 | 1 | 1 | 100.0% | 0 |