MQ4039
MQ4039 (Envoy Air) is a multi-stop service on 15 routes, busiest Abilene to Dallas-Fort Worth. Of 580 departures recorded from October 2024 to May 2026, 87.5% left on time, according to the US BTS.
- On-time departures87.5%of 580 flights
- Average delay2.9 min
- May 202620▼ 35.5%vs May 2025
- Cancelled1.9%
- Legs flown under this number15
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 | 4 | 58 | ▲ 1,350.0% |
| February | 4 | 56 | ▲ 1,300.0% |
| March | 26 | 62 | ▲ 138.5% |
| April | 27 | 36 | ▲ 33.3% |
| May | 31 | 20 | ▼ 35.5% |
| June | 4 | – | – |
| July | 2 | – | – |
| August | 26 | – | – |
| September | 2 | – | – |
| October | 8 | – | in progress |
| November | 58 | – | – |
| December | 62 | – | – |
| Year to date (Jan–May) | 92 | 232 | ▲ 152.2% |
according to the US BTS · October 2024 → 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 periods17 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | 100.0% | 85.5% | ▼ 14.5% |
| February | 100.0% | 94.6% | ▼ 5.5% |
| March | 75.0% | 88.7% | ▲ 18.3% |
| April | 88.9% | 85.7% | ▼ 3.6% |
| May | 87.1% | 90.0% | ▲ 3.3% |
| June | 75.0% | – | – |
| July | 50.0% | – | – |
| August | 100.0% | – | – |
| September | 100.0% | – | – |
| October | 62.5% | – | in progress |
| November | 87.0% | – | – |
| December | 80.7% | – | – |
| Year-to-date average (Jan–May) | 90.2% | 88.9% | ▼ 1.5% |
according to the US BTS · October 2024 → May 2026
Average departure delay by month
according to the US BTS · October 2024 → May 2026
Cancelled departures by month
The most recent periods17 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 0 | 3 | – |
| February | 0 | 1 | – |
| March | 2 | 0 | ▼ 100.0% |
| April | 0 | 1 | – |
| May | 0 | 0 | – |
| June | 0 | – | – |
| July | 0 | – | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 4 | – | – |
| December | 0 | – | – |
| Year to date (Jan–May) | 2 | 5 | ▲ 150.0% |
according to the US BTS · October 2024 → 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 98.1% 569
- Cancelled 1.9% 11
Share of all recorded flights in the period, all legs. · Oct 12, 2024 → May 20, 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 |
|---|---|---|---|---|
| DFW ABI Dallas Fort Worth International Airport – Abilene Regional Airport | 253 | 0.0 min | 89.6% | 178 |
| ABI DFW Abilene Regional Airport – Dallas Fort Worth International Airport | 253 | 3.1 min | 88.5% | 178 |
| PHX FSD Phoenix Sky Harbor International Airport – Sioux Falls Regional Airport | 1,738 | 4.1 min | 87.1% | 62 |
| PHX ICT Phoenix Sky Harbor International Airport – Wichita Dwight D. Eisenhower National Airport | 1,398 | 3.1 min | 84.1% | 44 |
| ORD STL Chicago O'Hare International Airport – St. Louis Lambert International Airport | 415 | 8.9 min | 78.6% | 30 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 40 | 40 | 100.0% | 0 |
| November 2024 | 18 | 18 | 94.4% | 0 |
| December 2024 | 36 | 36 | 77.8% | 0 |
| January 2025 | 4 | 4 | 100.0% | 0 |
| February 2025 | 4 | 4 | 100.0% | 0 |
| March 2025 | 26 | 24 | 75.0% | 2 |
| April 2025 | 27 | 27 | 88.9% | 0 |
| May 2025 | 31 | 31 | 87.1% | 0 |
| June 2025 | 4 | 4 | 75.0% | 0 |
| July 2025 | 2 | 2 | 50.0% | 0 |
| August 2025 | 26 | 26 | 100.0% | 0 |
| September 2025 | 2 | 2 | 100.0% | 0 |
| October 2025 | 8 | 8 | 62.5% | 0 |
| November 2025 | 58 | 54 | 87.0% | 4 |
| December 2025 | 62 | 62 | 80.7% | 0 |
| January 2026 | 58 | 55 | 85.5% | 3 |
| February 2026 | 56 | 55 | 94.6% | 1 |
| March 2026 | 62 | 62 | 88.7% | 0 |
| April 2026 | 36 | 35 | 85.7% | 1 |
| May 2026 | 20 | 20 | 90.0% | 0 |