MQ4201
MQ4201 (Envoy Air) is a multi-stop service on 11 routes, busiest Dallas-Fort Worth to Harlingen. Of 388 departures recorded from December 2024 to May 2026, 87.8% left on time, according to the US BTS.
- On-time departures87.8%of 388 flights
- Average delay2.6 min
- May 202620▼ 23.1%vs May 2025
- Cancelled1.0%
- Legs flown under this number11
Recorded departures by month
All legs under this number combined; see the leg table.
Months without data are left blank.
The most recent periods13 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | – | 35 | – |
| February | – | 12 | – |
| March | 4 | – | – |
| April | – | 23 | – |
| May | 26 | 20 | ▼ 23.1% |
| June | 56 | – | – |
| July | 62 | – | – |
| August | 35 | – | – |
| September | 2 | – | – |
| October | 26 | – | in progress |
| November | 57 | – | – |
| December | 20 | – | – |
according to the US BTS · December 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 periods13 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | – | 74.3% | – |
| February | – | 83.3% | – |
| March | 100.0% | – | – |
| April | – | 95.7% | – |
| May | 73.1% | 100.0% | ▲ 36.8% |
| June | 87.0% | – | – |
| July | 85.5% | – | – |
| August | 88.6% | – | – |
| September | 100.0% | – | – |
| October | 92.3% | – | in progress |
| November | 93.0% | – | – |
| December | 100.0% | – | – |
according to the US BTS · December 2024 → May 2026
Average departure delay by month
Months without data are left blank.
according to the US BTS · December 2024 → May 2026
Cancelled departures by month
Months without data are left blank.
The most recent periods13 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | – | 0 | – |
| February | – | 0 | – |
| March | 1 | – | – |
| April | – | 0 | – |
| May | 0 | 0 | – |
| June | 2 | – | – |
| July | 0 | – | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 0 | – | – |
according to the US BTS · December 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% 384
- Cancelled 1.0% 4
Share of all recorded flights in the period, all legs. · Dec 6, 2024 → May 20, 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 |
|---|---|---|---|---|
| HRL DFW Valley International Airport – Dallas Fort Worth International Airport | 744 | 3.4 min | 80.3% | 62 |
| DFW HRL Dallas Fort Worth International Airport – Valley International Airport | 744 | 1.5 min | 90.2% | 62 |
| LCH DFW Lake Charles Regional Airport – Dallas Fort Worth International Airport | 475 | -0.2 min | 94.4% | 54 |
| GGG DFW East Texas Regional Airport – Dallas Fort Worth International Airport | 225 | -1.6 min | 97.7% | 43 |
| CHS DFW Charleston International Airport – Dallas Fort Worth International Airport | 1,586 | 8.7 min | 89.7% | 40 |
| MSY ORD Louis Armstrong New Orleans International Airport – Chicago O'Hare International Airport | 1,349 | 10.1 min | 73.0% | 37 |
| ORD LEX Chicago O'Hare International Airport – Blue Grass Airport | 521 | 7.6 min | 73.3% | 30 |
| DFW CHS Dallas Fort Worth International Airport – Charleston International Airport | 1,586 | -0.9 min | 93.3% | 30 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| December 2024 | 10 | 9 | 77.8% | 1 |
| March 2025 | 4 | 3 | 100.0% | 1 |
| May 2025 | 26 | 26 | 73.1% | 0 |
| June 2025 | 56 | 54 | 87.0% | 2 |
| July 2025 | 62 | 62 | 85.5% | 0 |
| August 2025 | 35 | 35 | 88.6% | 0 |
| September 2025 | 2 | 2 | 100.0% | 0 |
| October 2025 | 26 | 26 | 92.3% | 0 |
| November 2025 | 57 | 57 | 93.0% | 0 |
| December 2025 | 20 | 20 | 100.0% | 0 |
| January 2026 | 35 | 35 | 74.3% | 0 |
| February 2026 | 12 | 12 | 83.3% | 0 |
| April 2026 | 23 | 23 | 95.7% | 0 |
| May 2026 | 20 | 20 | 100.0% | 0 |