MQ4089
MQ4089 (Envoy Air) is a multi-stop service on 15 routes, busiest Knoxville to Miami. Of 500 departures recorded from November 2024 to July 2026, 84.3% left on time, according to the US BTS.
- On-time departures84.3%of 500 flights
- Average delay8.1 min
- July 202618
- Cancelled2.2%
- Legs flown under this number15
Recorded departures by month
All legs under this number combined; see the leg table.
Months without data are left blank.
The most recent periods17 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | 25 | – | – |
| February | 28 | 34 | ▲ 21.4% |
| March | 31 | 62 | ▲ 100.0% |
| April | 30 | 52 | ▲ 73.3% |
| May | 31 | 42 | ▲ 35.5% |
| June | 4 | 16 | ▲ 300.0% |
| July | – | 18 | – |
| August | 25 | – | – |
| September | 30 | – | – |
| October | 31 | – | in progress |
| November | 17 | – | – |
| December | 17 | – | – |
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 periods17 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | 92.0% | – | – |
| February | 85.7% | 70.6% | ▼ 17.6% |
| March | 96.8% | 83.6% | ▼ 13.6% |
| April | 83.3% | 70.0% | ▼ 16.0% |
| May | 80.7% | 76.2% | ▼ 5.5% |
| June | 100.0% | 81.3% | ▼ 18.8% |
| July | – | 100.0% | – |
| August | 96.0% | – | – |
| September | 90.0% | – | – |
| October | 96.8% | – | in progress |
| November | 70.6% | – | – |
| December | 87.5% | – | – |
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 periods17 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 0 | – | – |
| February | 0 | 0 | – |
| March | 0 | 7 | – |
| April | 0 | 2 | – |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | – | 0 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 1 | – | – |
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 97.8% 489
- Cancelled 2.2% 11
Share of all recorded flights in the period, all legs. · Nov 8, 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 |
|---|---|---|---|---|
| TYS MIA McGhee Tyson Airport – Miami International Airport | 1,168 | 4.3 min | 92.2% | 205 |
| ORD FWA Chicago O'Hare International Airport – Fort Wayne International Airport | 252 | 11.4 min | 80.0% | 54 |
| FWA ORD Fort Wayne International Airport – Chicago O'Hare International Airport | 252 | 11.8 min | 73.5% | 54 |
| DFW BHM Dallas Fort Worth International Airport – Birmingham-Shuttlesworth International Airport | 959 | 11.3 min | 78.4% | 37 |
| BHM DFW Birmingham-Shuttlesworth International Airport – Dallas Fort Worth International Airport | 959 | 17.7 min | 75.7% | 37 |
| ORD MSP Chicago O'Hare International Airport – Minneapolis–Saint Paul International Airport / Wold–Chamberlain Field | 537 | 9.8 min | 76.7% | 30 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| November 2024 | 7 | 6 | 100.0% | 1 |
| January 2025 | 25 | 25 | 92.0% | 0 |
| February 2025 | 28 | 28 | 85.7% | 0 |
| March 2025 | 31 | 31 | 96.8% | 0 |
| April 2025 | 30 | 30 | 83.3% | 0 |
| May 2025 | 31 | 31 | 80.7% | 0 |
| June 2025 | 4 | 4 | 100.0% | 0 |
| August 2025 | 25 | 25 | 96.0% | 0 |
| September 2025 | 30 | 30 | 90.0% | 0 |
| October 2025 | 31 | 31 | 96.8% | 0 |
| November 2025 | 17 | 17 | 70.6% | 0 |
| December 2025 | 17 | 16 | 87.5% | 1 |
| February 2026 | 34 | 34 | 70.6% | 0 |
| March 2026 | 62 | 55 | 83.6% | 7 |
| April 2026 | 52 | 50 | 70.0% | 2 |
| May 2026 | 42 | 42 | 76.2% | 0 |
| June 2026 | 16 | 16 | 81.3% | 0 |
| July 2026 | 18 | 18 | 100.0% | 0 |