MQ3944
MQ3944 (Envoy Air) is a multi-stop service on 18 routes, busiest St Louis to Dallas-Fort Worth. Of 632 departures recorded from October 2024 to May 2026, 82.5% left on time, according to the US BTS.
- On-time departures82.5%of 632 flights
- Average delay7.7 min
- May 202620▼ 42.9%vs May 2025
- Cancelled1.7%
- 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 periods14 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | – | 49 | – |
| February | – | 40 | – |
| March | – | 35 | – |
| April | 54 | 31 | ▼ 42.6% |
| May | 35 | 20 | ▼ 42.9% |
| June | 56 | – | – |
| July | 62 | – | – |
| August | 62 | – | – |
| September | 60 | – | – |
| October | 54 | – | in progress |
| November | 23 | – | – |
| December | 23 | – | – |
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 periods14 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | – | 88.9% | – |
| February | – | 75.0% | – |
| March | – | 60.6% | – |
| April | 79.6% | 70.0% | ▼ 12.1% |
| May | 67.7% | 75.0% | ▲ 10.9% |
| June | 82.1% | – | – |
| July | 85.5% | – | – |
| August | 91.7% | – | – |
| September | 91.7% | – | – |
| October | 87.0% | – | in progress |
| November | 81.8% | – | – |
| December | 91.3% | – | – |
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 periods14 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | – | 4 | – |
| February | – | 0 | – |
| March | – | 2 | – |
| April | 0 | 1 | – |
| May | 1 | 0 | ▼ 100.0% |
| June | 0 | – | – |
| July | 0 | – | – |
| August | 2 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 1 | – | – |
| December | 0 | – | – |
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 98.3% 621
- Cancelled 1.7% 11
Share of all recorded flights in the period, all legs. · Oct 12, 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 |
|---|---|---|---|---|
| STL DFW St. Louis Lambert International Airport – Dallas Fort Worth International Airport | 885 | 11.4 min | 81.6% | 154 |
| DFW STL Dallas Fort Worth International Airport – St. Louis Lambert International Airport | 885 | 2.1 min | 91.0% | 123 |
| ORD CHS Chicago O'Hare International Airport – Charleston International Airport | 1,224 | 14.9 min | 67.4% | 46 |
| ORD LSE Chicago O'Hare International Airport – La Crosse Regional Airport | 345 | 18.4 min | 70.5% | 44 |
| ORD LEX Chicago O'Hare International Airport – Blue Grass Airport | 521 | 9.0 min | 76.7% | 32 |
| LEX ORD Blue Grass Airport – Chicago O'Hare International Airport | 521 | 2.1 min | 83.3% | 32 |
| ORD ICT Chicago O'Hare International Airport – Wichita Dwight D. Eisenhower National Airport | 944 | 1.5 min | 87.1% | 31 |
| ICT ORD Wichita Dwight D. Eisenhower National Airport – Chicago O'Hare International Airport | 944 | 9.3 min | 74.2% | 31 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 20 | 20 | 90.0% | 0 |
| November 2024 | 4 | 4 | 100.0% | 0 |
| December 2024 | 4 | 4 | 75.0% | 0 |
| April 2025 | 54 | 54 | 79.6% | 0 |
| May 2025 | 35 | 34 | 67.7% | 1 |
| June 2025 | 56 | 56 | 82.1% | 0 |
| July 2025 | 62 | 62 | 85.5% | 0 |
| August 2025 | 62 | 60 | 91.7% | 2 |
| September 2025 | 60 | 60 | 91.7% | 0 |
| October 2025 | 54 | 54 | 87.0% | 0 |
| November 2025 | 23 | 22 | 81.8% | 1 |
| December 2025 | 23 | 23 | 91.3% | 0 |
| January 2026 | 49 | 45 | 88.9% | 4 |
| February 2026 | 40 | 40 | 75.0% | 0 |
| March 2026 | 35 | 33 | 60.6% | 2 |
| April 2026 | 31 | 30 | 70.0% | 1 |
| May 2026 | 20 | 20 | 75.0% | 0 |