MQ4229
MQ4229 (Envoy Air) is a multi-stop service on 13 routes, busiest Charleston to Chicago. Of 229 departures recorded from June 2025 to May 2026, 91.1% left on time, according to the US BTS.
- On-time departures91.1%of 229 flights
- Average delay5.9 min
- May 202614
- Cancelled2.2%
- Legs flown under this number13
Recorded departures by month
All legs under this number combined; see the leg table.
The most recent periods12 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | – | 8 | – |
| February | – | 17 | – |
| March | – | 31 | – |
| April | – | 18 | – |
| May | – | 14 | – |
| June | 25 | – | – |
| July | 31 | – | – |
| August | 31 | – | – |
| September | 30 | – | – |
| October | 5 | – | in progress |
| November | 5 | – | – |
| December | 14 | – | – |
according to the US BTS · June 2025 → May 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 periods12 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | – | 87.5% | – |
| February | – | 64.7% | – |
| March | – | 93.3% | – |
| April | – | 87.5% | – |
| May | – | 85.7% | – |
| June | 92.0% | – | – |
| July | 100.0% | – | – |
| August | 93.3% | – | – |
| September | 93.3% | – | – |
| October | 100.0% | – | in progress |
| November | 100.0% | – | – |
| December | 92.9% | – | – |
according to the US BTS · June 2025 → May 2026
Average departure delay by month
according to the US BTS · June 2025 → May 2026
Cancelled departures by month
The most recent periods12 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | – | 0 | – |
| February | – | 0 | – |
| March | – | 1 | – |
| April | – | 2 | – |
| May | – | 0 | – |
| June | 0 | – | – |
| July | 0 | – | – |
| August | 1 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 1 | – | – |
| December | 0 | – | – |
according to the US BTS · June 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 97.8% 224
- Cancelled 2.2% 5
Share of all recorded flights in the period, all legs. · Jun 6, 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 |
|---|---|---|---|---|
| MLU DFW Monroe Regional Airport – Dallas Fort Worth International Airport | 470 | 2.2 min | 95.0% | 61 |
| CHS ORD Charleston International Airport – Chicago O'Hare International Airport | 1,224 | 3.9 min | 95.1% | 61 |
| SPS DFW Wichita Falls Municipal Airport / Sheppard Air Force Base – Dallas Fort Worth International Airport | 182 | 15.0 min | 81.1% | 54 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| June 2025 | 25 | 25 | 92.0% | 0 |
| July 2025 | 31 | 31 | 100.0% | 0 |
| August 2025 | 31 | 30 | 93.3% | 1 |
| September 2025 | 30 | 30 | 93.3% | 0 |
| October 2025 | 5 | 5 | 100.0% | 0 |
| November 2025 | 5 | 4 | 100.0% | 1 |
| December 2025 | 14 | 14 | 92.9% | 0 |
| January 2026 | 8 | 8 | 87.5% | 0 |
| February 2026 | 17 | 17 | 64.7% | 0 |
| March 2026 | 31 | 30 | 93.3% | 1 |
| April 2026 | 18 | 16 | 87.5% | 2 |
| May 2026 | 14 | 14 | 85.7% | 0 |