MQ4140
MQ4140 (Envoy Air) is a multi-stop service on 7 routes, busiest Chicago to Wilkes-Barre. Of 544 departures recorded from December 2024 to July 2026, 71.9% left on time, according to the US BTS.
- On-time departures71.9%of 544 flights
- Average delay15.6 min
- July 202631▲ 3.3%vs July 2025
- Cancelled4.4%
- Legs flown under this number7
Recorded departures by month
All legs under this number combined; see the leg table.
The most recent periods19 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | 2 | 31 | ▲ 1,450.0% |
| February | 16 | 11 | ▼ 31.3% |
| March | 29 | 24 | ▼ 17.2% |
| April | 54 | 54 | 0.0% |
| May | 8 | 51 | ▲ 537.5% |
| June | 26 | 30 | ▲ 15.4% |
| July | 30 | 31 | ▲ 3.3% |
| August | 28 | – | – |
| September | 27 | – | – |
| October | 30 | – | in progress |
| November | 29 | – | – |
| December | 28 | – | – |
| Year to date (Jan–Jul) | 165 | 232 | ▲ 40.6% |
according to the US BTS · December 2024 → July 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 periods19 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | 50.0% | 65.5% | ▲ 31.0% |
| February | 60.0% | 90.9% | ▲ 51.5% |
| March | 75.9% | 69.6% | ▼ 8.3% |
| April | 74.1% | 63.5% | ▼ 14.3% |
| May | 75.0% | 72.3% | ▼ 3.5% |
| June | 69.2% | 81.5% | ▲ 17.7% |
| July | 65.4% | 76.7% | ▲ 17.3% |
| August | 84.6% | – | – |
| September | 81.5% | – | – |
| October | 63.3% | – | in progress |
| November | 80.8% | – | – |
| December | 59.3% | – | – |
| Year-to-date average (Jan–Jul) | 67.1% | 74.3% | ▲ 10.7% |
according to the US BTS · December 2024 → July 2026
Average departure delay by month
according to the US BTS · December 2024 → July 2026
Cancelled departures by month
The most recent periods19 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 0 | 2 | – |
| February | 1 | 0 | ▼ 100.0% |
| March | 0 | 1 | – |
| April | 0 | 2 | – |
| May | 0 | 4 | – |
| June | 0 | 3 | – |
| July | 4 | 1 | ▼ 75.0% |
| August | 2 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 3 | – | – |
| December | 1 | – | – |
| Year to date (Jan–Jul) | 5 | 13 | ▲ 160.0% |
according to the US BTS · December 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 95.6% 520
- Cancelled 4.4% 24
Share of all recorded flights in the period, all legs. · Dec 19, 2024 → Jul 31, 2026
On time, leg by leg
Departures within 15 minutes of schedule; small figure = departures recorded.
Legs flown under this number
6| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| ORD AVP Chicago O'Hare International Airport – Wilkes-Barre/Scranton International Airport | 1,014 | 16.9 min | 72.2% | 342 |
| ORD BUF Chicago O'Hare International Airport – Buffalo Niagara International Airport | 760 | 19.3 min | 70.5% | 45 |
| MOB DFW Mobile Regional Airport – Dallas Fort Worth International Airport | 866 | 9.5 min | 68.3% | 44 |
| DFW MOB Dallas Fort Worth International Airport – Mobile Regional Airport | 866 | 7.1 min | 71.4% | 44 |
| LEX DFW Blue Grass Airport – Dallas Fort Worth International Airport | 1,261 | 16.9 min | 71.0% | 31 |
| DFW LEX Dallas Fort Worth International Airport – Blue Grass Airport | 1,261 | 14.0 min | 77.4% | 31 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| December 2024 | 5 | 5 | 80.0% | 0 |
| January 2025 | 2 | 2 | 50.0% | 0 |
| February 2025 | 16 | 15 | 60.0% | 1 |
| March 2025 | 29 | 29 | 75.9% | 0 |
| April 2025 | 54 | 54 | 74.1% | 0 |
| May 2025 | 8 | 8 | 75.0% | 0 |
| June 2025 | 26 | 26 | 69.2% | 0 |
| July 2025 | 30 | 26 | 65.4% | 4 |
| August 2025 | 28 | 26 | 84.6% | 2 |
| September 2025 | 27 | 27 | 81.5% | 0 |
| October 2025 | 30 | 30 | 63.3% | 0 |
| November 2025 | 29 | 26 | 80.8% | 3 |
| December 2025 | 28 | 27 | 59.3% | 1 |
| January 2026 | 31 | 29 | 65.5% | 2 |
| February 2026 | 11 | 11 | 90.9% | 0 |
| March 2026 | 24 | 23 | 69.6% | 1 |
| April 2026 | 54 | 52 | 63.5% | 2 |
| May 2026 | 51 | 47 | 72.3% | 4 |
| June 2026 | 30 | 27 | 81.5% | 3 |
| July 2026 | 31 | 30 | 76.7% | 1 |