MQ3634
MQ3634 (Envoy Air) is a multi-stop service on 20 routes, busiest Huntsville to Dallas-Fort Worth. Of 543 departures recorded from October 2024 to July 2026, 81.0% left on time, according to the US BTS.
- On-time departures81.0%of 543 flights
- Average delay10.9 min
- July 20268▼ 71.4%vs July 2025
- Cancelled3.0%
- Legs flown under this number20
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 | 29 | 5 | ▼ 82.8% |
| February | 12 | 34 | ▲ 183.3% |
| March | 3 | 62 | ▲ 1,966.7% |
| April | 26 | 14 | ▼ 46.2% |
| May | 30 | 6 | ▼ 80.0% |
| June | 25 | 8 | ▼ 68.0% |
| July | 28 | 8 | ▼ 71.4% |
| August | 5 | – | – |
| September | 28 | – | – |
| October | 57 | – | in progress |
| November | 59 | – | – |
| December | 48 | – | – |
| Year to date (Jan–Jul) | 153 | 137 | ▼ 10.5% |
according to the US BTS · October 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 | 82.8% | 80.0% | ▼ 3.3% |
| February | 83.3% | 94.1% | ▲ 12.9% |
| March | 33.3% | 76.7% | ▲ 130.0% |
| April | 96.2% | 57.1% | ▼ 40.6% |
| May | 89.3% | 50.0% | ▼ 44.0% |
| June | 76.0% | 50.0% | ▼ 34.2% |
| July | 85.7% | 100.0% | ▲ 16.7% |
| August | 60.0% | – | – |
| September | 75.0% | – | – |
| October | 82.5% | – | in progress |
| November | 92.0% | – | – |
| December | 78.3% | – | – |
| Year-to-date average (Jan–Jul) | 78.1% | 72.6% | ▼ 7.1% |
according to the US BTS · October 2024 → July 2026
Average departure delay by month
according to the US BTS · October 2024 → July 2026
Cancelled departures by month
The most recent periods19 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 0 | 0 | – |
| February | 0 | 0 | – |
| March | 0 | 2 | – |
| April | 0 | 0 | – |
| May | 2 | 0 | ▼ 100.0% |
| June | 0 | 0 | – |
| July | 0 | 0 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 9 | – | – |
| December | 2 | – | – |
| Year to date (Jan–Jul) | 2 | 2 | 0.0% |
according to the US BTS · October 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 97.1% 527
- Cancelled 2.9% 16
Share of all recorded flights in the period, all legs. · Oct 29, 2024 → Jul 29, 2026
On time, leg by leg
Departures within 15 minutes of schedule; small figure = departures recorded.
Legs flown under this number
9| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| ORD AZO Chicago O'Hare International Airport – Kalamazoo/Battle Creek International Airport | 196 | 6.3 min | 90.6% | 54 |
| HSV DFW Huntsville International Airport – Dallas Fort Worth International Airport | 968 | 6.1 min | 81.5% | 54 |
| AZO ORD Kalamazoo/Battle Creek International Airport – Chicago O'Hare International Airport | 196 | 24.1 min | 69.8% | 54 |
| GCK DFW Garden City Regional Airport – Dallas Fort Worth International Airport | 651 | 27.5 min | 82.4% | 51 |
| LSE ORD La Crosse Regional Airport – Chicago O'Hare International Airport | 345 | 13.7 min | 81.0% | 46 |
| ORD LSE Chicago O'Hare International Airport – La Crosse Regional Airport | 345 | 1.2 min | 87.2% | 45 |
| HSV CLT Huntsville International Airport – Charlotte Douglas International Airport | 535 | 10.8 min | 78.8% | 33 |
| ELP PHX El Paso International Airport – Phoenix Sky Harbor International Airport | 557 | -4.3 min | 93.8% | 32 |
| ORD LAN Chicago O'Hare International Airport – Capital Region International Airport | 287 | 3.8 min | 82.1% | 30 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 3 | 3 | 100.0% | 0 |
| November 2024 | 27 | 26 | 69.2% | 1 |
| December 2024 | 26 | 26 | 76.9% | 0 |
| January 2025 | 29 | 29 | 82.8% | 0 |
| February 2025 | 12 | 12 | 83.3% | 0 |
| March 2025 | 3 | 3 | 33.3% | 0 |
| April 2025 | 26 | 26 | 96.2% | 0 |
| May 2025 | 30 | 28 | 89.3% | 2 |
| June 2025 | 25 | 25 | 76.0% | 0 |
| July 2025 | 28 | 28 | 85.7% | 0 |
| August 2025 | 5 | 5 | 60.0% | 0 |
| September 2025 | 28 | 28 | 75.0% | 0 |
| October 2025 | 57 | 57 | 82.5% | 0 |
| November 2025 | 59 | 50 | 92.0% | 9 |
| December 2025 | 48 | 46 | 78.3% | 2 |
| January 2026 | 5 | 5 | 80.0% | 0 |
| February 2026 | 34 | 34 | 94.1% | 0 |
| March 2026 | 62 | 60 | 76.7% | 2 |
| April 2026 | 14 | 14 | 57.1% | 0 |
| May 2026 | 6 | 6 | 50.0% | 0 |
| June 2026 | 8 | 8 | 50.0% | 0 |
| July 2026 | 8 | 8 | 100.0% | 0 |