MQ4001
MQ4001 (Envoy Air) is a multi-stop service on 14 routes, busiest Nashville to Chicago. Of 607 departures recorded from October 2024 to May 2026, 88.9% left on time, according to the US BTS.
- On-time departures88.9%of 607 flights
- Average delay2.2 min
- May 202620▼ 67.7%vs May 2025
- Cancelled2.5%
- Legs flown under this number14
Recorded departures by month
All legs under this number combined; see the leg table.
Months without data are left blank.
The most recent periods15 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | 49 | 31 | ▼ 36.7% |
| February | 56 | 27 | ▼ 51.8% |
| March | 50 | 12 | ▼ 76.0% |
| April | 54 | 24 | ▼ 55.6% |
| May | 62 | 20 | ▼ 67.7% |
| June | 9 | – | – |
| July | 26 | – | – |
| August | 31 | – | – |
| September | 2 | – | – |
| October | – | – | in progress |
| November | – | – | – |
| December | 18 | – | – |
| Year to date (Jan–May) | 271 | 114 | ▼ 57.9% |
according to the US BTS · October 2024 → May 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 periods15 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | 95.7% | 77.8% | ▼ 18.8% |
| February | 83.9% | 100.0% | ▲ 19.1% |
| March | 84.0% | 83.3% | ▼ 0.8% |
| April | 88.0% | 91.7% | ▲ 4.2% |
| May | 96.7% | 95.0% | ▼ 1.7% |
| June | 88.9% | – | – |
| July | 92.3% | – | – |
| August | 96.8% | – | – |
| September | 100.0% | – | – |
| October | – | – | in progress |
| November | – | – | – |
| December | 88.2% | – | – |
| Year-to-date average (Jan–May) | 89.7% | 89.6% | ▼ 0.1% |
according to the US BTS · October 2024 → May 2026
Average departure delay by month
Months without data are left blank.
according to the US BTS · October 2024 → May 2026
Cancelled departures by month
Months without data are left blank.
The most recent periods15 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 2 | 4 | ▲ 100.0% |
| February | 0 | 0 | – |
| March | 0 | 0 | – |
| April | 4 | 0 | ▼ 100.0% |
| May | 2 | 0 | ▼ 100.0% |
| June | 0 | – | – |
| July | 0 | – | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | – | – | in progress |
| November | – | – | – |
| December | 1 | – | – |
| Year to date (Jan–May) | 8 | 4 | ▼ 50.0% |
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 97.5% 592
- Cancelled 2.5% 15
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
7| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| RIC ORD Richmond International Airport – Chicago O'Hare International Airport | 1,032 | 1.6 min | 94.4% | 91 |
| ORD BNA Chicago O'Hare International Airport – Nashville International Airport | 660 | 0.9 min | 91.0% | 91 |
| BNA ORD Nashville International Airport – Chicago O'Hare International Airport | 660 | 4.0 min | 85.4% | 91 |
| SAT DFW San Antonio International Airport – Dallas Fort Worth International Airport | 398 | -0.7 min | 91.5% | 62 |
| DFW SAT Dallas Fort Worth International Airport – San Antonio International Airport | 398 | -1.0 min | 93.2% | 62 |
| SHV DFW Shreveport Regional Airport – Dallas Fort Worth International Airport | 305 | 8.6 min | 79.0% | 61 |
| MSP ORD Minneapolis–Saint Paul International Airport / Wold–Chamberlain Field – Chicago O'Hare International Airport | 537 | 0.2 min | 93.8% | 32 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 40 | 40 | 80.0% | 0 |
| November 2024 | 58 | 58 | 81.0% | 0 |
| December 2024 | 38 | 36 | 91.7% | 2 |
| January 2025 | 49 | 47 | 95.7% | 2 |
| February 2025 | 56 | 56 | 83.9% | 0 |
| March 2025 | 50 | 50 | 84.0% | 0 |
| April 2025 | 54 | 50 | 88.0% | 4 |
| May 2025 | 62 | 60 | 96.7% | 2 |
| June 2025 | 9 | 9 | 88.9% | 0 |
| July 2025 | 26 | 26 | 92.3% | 0 |
| August 2025 | 31 | 31 | 96.8% | 0 |
| September 2025 | 2 | 2 | 100.0% | 0 |
| December 2025 | 18 | 17 | 88.2% | 1 |
| January 2026 | 31 | 27 | 77.8% | 4 |
| February 2026 | 27 | 27 | 100.0% | 0 |
| March 2026 | 12 | 12 | 83.3% | 0 |
| April 2026 | 24 | 24 | 91.7% | 0 |
| May 2026 | 20 | 20 | 95.0% | 0 |