MQ4055
MQ4055 (Envoy Air) is a multi-stop service on 18 routes, busiest Dallas-Fort Worth to St Louis. Of 405 departures recorded from November 2024 to May 2026, 82.3% left on time, according to the US BTS.
- On-time departures82.3%of 405 flights
- Average delay8.9 min
- May 20266
- Cancelled1.0%
- Legs flown under this number18
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 | 62 | 30 | ▼ 51.6% |
| February | 50 | 38 | ▼ 24.0% |
| March | 7 | 34 | ▲ 385.7% |
| April | – | 29 | – |
| May | – | 6 | – |
| June | 1 | – | – |
| July | – | – | – |
| August | – | – | – |
| September | – | – | – |
| October | – | – | in progress |
| November | 46 | – | – |
| December | 48 | – | – |
according to the US BTS · November 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 | 73.8% | 75.9% | ▲ 2.8% |
| February | 84.0% | 68.4% | ▼ 18.5% |
| March | 100.0% | 94.1% | ▼ 5.9% |
| April | – | 93.1% | – |
| May | – | 50.0% | – |
| June | 0.0% | – | – |
| July | – | – | – |
| August | – | – | – |
| September | – | – | – |
| October | – | – | in progress |
| November | 89.1% | – | – |
| December | 91.3% | – | – |
according to the US BTS · November 2024 → May 2026
Average departure delay by month
Months without data are left blank.
according to the US BTS · November 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 | 1 | 0.0% |
| February | 0 | 0 | – |
| March | 0 | 0 | – |
| April | – | 0 | – |
| May | – | 0 | – |
| June | 0 | – | – |
| July | – | – | – |
| August | – | – | – |
| September | – | – | – |
| October | – | – | in progress |
| November | 0 | – | – |
| December | 2 | – | – |
according to the US BTS · November 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 99.0% 401
- Cancelled 1.0% 4
Share of all recorded flights in the period, all legs. · Nov 9, 2024 → May 6, 2026
On time, leg by leg
Departures within 15 minutes of schedule; small figure = departures recorded.
Legs flown under this number
8| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| STL DFW St. Louis Lambert International Airport – Dallas Fort Worth International Airport | 885 | 9.2 min | 83.8% | 37 |
| DFW STL Dallas Fort Worth International Airport – St. Louis Lambert International Airport | 885 | 5.1 min | 83.3% | 37 |
| OMA DFW Eppley Airfield – Dallas Fort Worth International Airport | 940 | 5.5 min | 88.9% | 36 |
| DFW OMA Dallas Fort Worth International Airport – Eppley Airfield | 940 | 3.9 min | 91.7% | 36 |
| TUL DFW Tulsa International Airport – Dallas Fort Worth International Airport | 382 | 19.5 min | 75.0% | 32 |
| GRR ORD Gerald R. Ford International Airport – Chicago O'Hare International Airport | 220 | 22.4 min | 58.1% | 32 |
| DFW TUL Dallas Fort Worth International Airport – Tulsa International Airport | 382 | 13.6 min | 78.1% | 32 |
| PHX DSM Phoenix Sky Harbor International Airport – Des Moines International Airport | 1,847 | 5.7 min | 83.3% | 30 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| November 2024 | 2 | 2 | 100.0% | 0 |
| December 2024 | 52 | 52 | 78.9% | 0 |
| January 2025 | 62 | 61 | 73.8% | 1 |
| February 2025 | 50 | 50 | 84.0% | 0 |
| March 2025 | 7 | 7 | 100.0% | 0 |
| June 2025 | 1 | 1 | 0.0% | 0 |
| November 2025 | 46 | 46 | 89.1% | 0 |
| December 2025 | 48 | 46 | 91.3% | 2 |
| January 2026 | 30 | 29 | 75.9% | 1 |
| February 2026 | 38 | 38 | 68.4% | 0 |
| March 2026 | 34 | 34 | 94.1% | 0 |
| April 2026 | 29 | 29 | 93.1% | 0 |
| May 2026 | 6 | 6 | 50.0% | 0 |