MQ4187
MQ4187 (Envoy Air) is a multi-stop service on 11 routes, busiest Appleton to Dallas-Fort Worth. Of 581 departures recorded from November 2024 to July 2026, 85.4% left on time, according to the US BTS.
- On-time departures85.4%of 581 flights
- Average delay9.2 min
- July 202631▲ 3.3%vs July 2025
- Cancelled1.2%
- 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 periods18 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | 31 | 31 | 0.0% |
| February | 28 | 28 | 0.0% |
| March | 29 | 7 | ▼ 75.9% |
| April | – | 30 | – |
| May | 27 | 39 | ▲ 44.4% |
| June | 30 | 30 | 0.0% |
| July | 30 | 31 | ▲ 3.3% |
| August | 13 | – | – |
| September | 21 | – | – |
| October | 57 | – | in progress |
| November | 31 | – | – |
| December | 31 | – | – |
according to the US BTS · November 2024 → July 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 periods18 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | 86.7% | 86.2% | ▼ 0.5% |
| February | 89.3% | 96.4% | ▲ 8.0% |
| March | 75.9% | 71.4% | ▼ 5.8% |
| April | – | 93.3% | – |
| May | 66.7% | 89.7% | ▲ 34.6% |
| June | 67.9% | 96.7% | ▲ 42.5% |
| July | 72.4% | 87.1% | ▲ 20.3% |
| August | 76.9% | – | – |
| September | 90.5% | – | – |
| October | 91.2% | – | in progress |
| November | 96.8% | – | – |
| December | 80.7% | – | – |
according to the US BTS · November 2024 → July 2026
Average departure delay by month
Months without data are left blank.
according to the US BTS · November 2024 → July 2026
Cancelled departures by month
Months without data are left blank.
The most recent periods18 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 1 | 2 | ▲ 100.0% |
| February | 0 | 0 | – |
| March | 0 | 0 | – |
| April | – | 0 | – |
| May | 0 | 0 | – |
| June | 2 | 0 | ▼ 100.0% |
| July | 1 | 0 | ▼ 100.0% |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 0 | – | – |
according to the US BTS · November 2024 → July 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 98.8% 574
- Cancelled 1.2% 7
Share of all recorded flights in the period, all legs. · Nov 5, 2024 → Jul 31, 2026
On time, leg by leg
Departures within 15 minutes of schedule; small figure = departures recorded.
Legs flown under this number
4| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| ATW DFW Appleton International Airport – Dallas Fort Worth International Airport | 1,463 | 9.9 min | 86.1% | 271 |
| TUS PHX Tucson International Airport – Phoenix Sky Harbor International Airport | 178 | 7.2 min | 90.3% | 72 |
| IAH PHX George Bush Intercontinental Airport – Phoenix Sky Harbor International Airport | 1,620 | 27.8 min | 69.0% | 61 |
| ORD CVG Chicago O'Hare International Airport – Cincinnati Northern Kentucky International Airport | 425 | 18.6 min | 67.7% | 31 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| November 2024 | 26 | 26 | 88.5% | 0 |
| December 2024 | 31 | 30 | 80.0% | 1 |
| January 2025 | 31 | 30 | 86.7% | 1 |
| February 2025 | 28 | 28 | 89.3% | 0 |
| March 2025 | 29 | 29 | 75.9% | 0 |
| May 2025 | 27 | 27 | 66.7% | 0 |
| June 2025 | 30 | 28 | 67.9% | 2 |
| July 2025 | 30 | 29 | 72.4% | 1 |
| August 2025 | 13 | 13 | 76.9% | 0 |
| September 2025 | 21 | 21 | 90.5% | 0 |
| October 2025 | 57 | 57 | 91.2% | 0 |
| November 2025 | 31 | 31 | 96.8% | 0 |
| December 2025 | 31 | 31 | 80.7% | 0 |
| January 2026 | 31 | 29 | 86.2% | 2 |
| February 2026 | 28 | 28 | 96.4% | 0 |
| March 2026 | 7 | 7 | 71.4% | 0 |
| April 2026 | 30 | 30 | 93.3% | 0 |
| May 2026 | 39 | 39 | 89.7% | 0 |
| June 2026 | 30 | 30 | 96.7% | 0 |
| July 2026 | 31 | 31 | 87.1% | 0 |