MQ4279
MQ4279 (Envoy Air) is a multi-stop service on 4 routes, busiest Dallas-Fort Worth to Midland. Of 728 departures recorded from October 2024 to July 2026, 80.7% left on time, according to the US BTS.
- On-time departures80.7%of 728 flights
- Average delay8.2 min
- July 20261▼ 98.3%vs July 2025
- Cancelled3.4%
- Legs flown under this number4
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 | 24 | 27 | ▲ 12.5% |
| February | 12 | 36 | ▲ 200.0% |
| March | 4 | 50 | ▲ 1,150.0% |
| April | 56 | 12 | ▼ 78.6% |
| May | 61 | 10 | ▼ 83.6% |
| June | 60 | 30 | ▼ 50.0% |
| July | 60 | 1 | ▼ 98.3% |
| August | 45 | – | – |
| September | 38 | – | – |
| October | 46 | – | in progress |
| November | 42 | – | – |
| December | 46 | – | – |
| Year to date (Jan–Jul) | 277 | 166 | ▼ 40.1% |
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 | 90.0% | 80.0% | ▼ 11.1% |
| February | 83.3% | 86.1% | ▲ 3.3% |
| March | 75.0% | 96.0% | ▲ 28.0% |
| April | 75.5% | 83.3% | ▲ 10.4% |
| May | 73.2% | 100.0% | ▲ 36.6% |
| June | 66.1% | 96.7% | ▲ 46.2% |
| July | 73.7% | 100.0% | ▲ 35.7% |
| August | 53.5% | – | – |
| September | 81.6% | – | – |
| October | 91.1% | – | in progress |
| November | 92.1% | – | – |
| December | 73.9% | – | – |
| Year-to-date average (Jan–Jul) | 76.7% | 91.7% | ▲ 19.6% |
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 | 4 | 2 | ▼ 50.0% |
| February | 0 | 0 | – |
| March | 0 | 0 | – |
| April | 3 | 0 | ▼ 100.0% |
| May | 5 | 0 | ▼ 100.0% |
| June | 1 | 0 | ▼ 100.0% |
| July | 3 | 0 | ▼ 100.0% |
| August | 2 | – | – |
| September | 0 | – | – |
| October | 1 | – | in progress |
| November | 4 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 16 | 2 | ▼ 87.5% |
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 96.6% 703
- Cancelled 3.4% 25
Share of all recorded flights in the period, all legs. · Oct 12, 2024 → Jul 1, 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 MAF Dallas Fort Worth International Airport – Midland International Air and Space Port | 496 | 9.8 min | 80.7% | 383 |
| MAF DFW Midland International Air and Space Port – Dallas Fort Worth International Airport | 496 | 10.2 min | 73.7% | 224 |
| MOB DFW Mobile Regional Airport – Dallas Fort Worth International Airport | 866 | 0.6 min | 90.8% | 80 |
| MEM ORD Frederick W. Smith International Airport – Chicago O'Hare International Airport | 792 | -2.2 min | 97.6% | 41 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 20 | 20 | 85.0% | 0 |
| November 2024 | 30 | 30 | 90.0% | 0 |
| December 2024 | 18 | 18 | 94.4% | 0 |
| January 2025 | 24 | 20 | 90.0% | 4 |
| February 2025 | 12 | 12 | 83.3% | 0 |
| March 2025 | 4 | 4 | 75.0% | 0 |
| April 2025 | 56 | 53 | 75.5% | 3 |
| May 2025 | 61 | 56 | 73.2% | 5 |
| June 2025 | 60 | 59 | 66.1% | 1 |
| July 2025 | 60 | 57 | 73.7% | 3 |
| August 2025 | 45 | 43 | 53.5% | 2 |
| September 2025 | 38 | 38 | 81.6% | 0 |
| October 2025 | 46 | 45 | 91.1% | 1 |
| November 2025 | 42 | 38 | 92.1% | 4 |
| December 2025 | 46 | 46 | 73.9% | 0 |
| January 2026 | 27 | 25 | 80.0% | 2 |
| February 2026 | 36 | 36 | 86.1% | 0 |
| March 2026 | 50 | 50 | 96.0% | 0 |
| April 2026 | 12 | 12 | 83.3% | 0 |
| May 2026 | 10 | 10 | 100.0% | 0 |
| June 2026 | 30 | 30 | 96.7% | 0 |
| July 2026 | 1 | 1 | 100.0% | 0 |