MQ4211
MQ4211 (Envoy Air) is a multi-stop service on 4 routes, busiest Dallas-Fort Worth to Birmingham. Of 434 departures recorded from March 2025 to May 2026, 82.2% left on time, according to the US BTS.
- On-time departures82.2%of 434 flights
- Average delay10.6 min
- May 202640▲ 29.0%vs May 2025
- Cancelled4.4%
- Legs flown under this number4
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 | – | 10 | – |
| February | – | 34 | – |
| March | 2 | 62 | ▲ 3,000.0% |
| April | 30 | 60 | ▲ 100.0% |
| May | 31 | 40 | ▲ 29.0% |
| June | 30 | – | – |
| July | 31 | – | – |
| August | 26 | – | – |
| September | 6 | – | – |
| October | – | – | in progress |
| November | 40 | – | – |
| December | 32 | – | – |
according to the US BTS · March 2025 → 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 | – | 70.0% | – |
| February | – | 82.4% | – |
| March | 100.0% | 74.6% | ▼ 25.5% |
| April | 90.0% | 74.1% | ▼ 17.7% |
| May | 96.8% | 82.1% | ▼ 15.2% |
| June | 89.7% | – | – |
| July | 90.3% | – | – |
| August | 96.2% | – | – |
| September | 83.3% | – | – |
| October | – | – | in progress |
| November | 73.0% | – | – |
| December | 74.2% | – | – |
according to the US BTS · March 2025 → May 2026
Average departure delay by month
Months without data are left blank.
according to the US BTS · March 2025 → 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 | – | 0 | – |
| February | – | 0 | – |
| March | 0 | 7 | – |
| April | 0 | 6 | – |
| May | 0 | 1 | – |
| June | 1 | – | – |
| July | 0 | – | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | – | – | in progress |
| November | 3 | – | – |
| December | 1 | – | – |
according to the US BTS · March 2025 → 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 95.6% 415
- Cancelled 4.4% 19
Share of all recorded flights in the period, all legs. · Mar 30, 2025 → May 20, 2026
On time, leg by leg
Departures within 15 minutes of schedule; small figure = departures recorded.
Legs flown under this number
3| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| DFW BHM Dallas Fort Worth International Airport – Birmingham-Shuttlesworth International Airport | 959 | 0.1 min | 92.7% | 152 |
| ORD TUL Chicago O'Hare International Airport – Tulsa International Airport | 941 | 13.7 min | 76.1% | 140 |
| TUL ORD Tulsa International Airport – Chicago O'Hare International Airport | 941 | 20.0 min | 76.2% | 138 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| March 2025 | 2 | 2 | 100.0% | 0 |
| April 2025 | 30 | 30 | 90.0% | 0 |
| May 2025 | 31 | 31 | 96.8% | 0 |
| June 2025 | 30 | 29 | 89.7% | 1 |
| July 2025 | 31 | 31 | 90.3% | 0 |
| August 2025 | 26 | 26 | 96.2% | 0 |
| September 2025 | 6 | 6 | 83.3% | 0 |
| November 2025 | 40 | 37 | 73.0% | 3 |
| December 2025 | 32 | 31 | 74.2% | 1 |
| January 2026 | 10 | 10 | 70.0% | 0 |
| February 2026 | 34 | 34 | 82.4% | 0 |
| March 2026 | 62 | 55 | 74.6% | 7 |
| April 2026 | 60 | 54 | 74.1% | 6 |
| May 2026 | 40 | 39 | 82.1% | 1 |