MQ4179
MQ4179 (Envoy Air) is a multi-stop service on 12 routes, busiest Fort Smith to Dallas-Fort Worth. Of 601 departures recorded from March 2025 to July 2026, 88.2% left on time, according to the US BTS.
- On-time departures88.2%of 601 flights
- Average delay4.8 min
- July 202631▲ 0.0%vs July 2025
- Cancelled2.8%
- Legs flown under this number12
Recorded departures by month
All legs under this number combined; see the leg table.
The most recent periods17 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | – | 10 | – |
| February | – | 32 | – |
| March | 50 | 35 | ▼ 30.0% |
| April | 11 | 53 | ▲ 381.8% |
| May | 29 | 51 | ▲ 75.9% |
| June | 30 | 30 | 0.0% |
| July | 31 | 31 | 0.0% |
| August | 31 | – | – |
| September | 30 | – | – |
| October | 31 | – | in progress |
| November | 58 | – | – |
| December | 58 | – | – |
according to the US BTS · March 2025 → 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 periods17 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | – | 100.0% | – |
| February | – | 78.1% | – |
| March | 81.3% | 84.9% | ▲ 4.4% |
| April | 90.9% | 92.5% | ▲ 1.7% |
| May | 100.0% | 92.0% | ▼ 8.0% |
| June | 93.3% | 90.0% | ▼ 3.6% |
| July | 96.8% | 96.8% | 0.0% |
| August | 96.8% | – | – |
| September | 100.0% | – | – |
| October | 100.0% | – | in progress |
| November | 71.7% | – | – |
| December | 69.8% | – | – |
according to the US BTS · March 2025 → July 2026
Average departure delay by month
according to the US BTS · March 2025 → July 2026
Cancelled departures by month
The most recent periods17 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | – | 0 | – |
| February | – | 0 | – |
| March | 2 | 2 | 0.0% |
| April | 0 | 0 | – |
| May | 2 | 1 | ▼ 50.0% |
| June | 0 | 0 | – |
| July | 0 | 0 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 5 | – | – |
| December | 5 | – | – |
according to the US BTS · March 2025 → 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 97.2% 584
- Cancelled 2.8% 17
Share of all recorded flights in the period, all legs. · Mar 6, 2025 → Jul 31, 2026
On time, leg by leg
Departures within 15 minutes of schedule; small figure = departures recorded.
Legs flown under this number
5| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| FSM DFW Fort Smith Regional Airport – Dallas Fort Worth International Airport | 366 | -1.3 min | 96.5% | 258 |
| ORD HPN Chicago O'Hare International Airport – Westchester County Airport | 1,185 | 16.3 min | 73.3% | 63 |
| HPN ORD Westchester County Airport – Chicago O'Hare International Airport | 1,185 | 27.8 min | 72.7% | 62 |
| PIA ORD General Wayne A. Downing Peoria International Airport – Chicago O'Hare International Airport | 209 | 1.8 min | 93.0% | 44 |
| ORD PIA Chicago O'Hare International Airport – General Wayne A. Downing Peoria International Airport | 209 | 2.9 min | 90.9% | 44 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| March 2025 | 50 | 48 | 81.3% | 2 |
| April 2025 | 11 | 11 | 90.9% | 0 |
| May 2025 | 29 | 27 | 100.0% | 2 |
| June 2025 | 30 | 30 | 93.3% | 0 |
| July 2025 | 31 | 31 | 96.8% | 0 |
| August 2025 | 31 | 31 | 96.8% | 0 |
| September 2025 | 30 | 30 | 100.0% | 0 |
| October 2025 | 31 | 31 | 100.0% | 0 |
| November 2025 | 58 | 53 | 71.7% | 5 |
| December 2025 | 58 | 53 | 69.8% | 5 |
| January 2026 | 10 | 10 | 100.0% | 0 |
| February 2026 | 32 | 32 | 78.1% | 0 |
| March 2026 | 35 | 33 | 84.9% | 2 |
| April 2026 | 53 | 53 | 92.5% | 0 |
| May 2026 | 51 | 50 | 92.0% | 1 |
| June 2026 | 30 | 30 | 90.0% | 0 |
| July 2026 | 31 | 31 | 96.8% | 0 |