MQ3578
MQ3578 (Envoy Air) is a multi-stop service on 10 routes, busiest Chicago to Fayetteville. Of 510 departures recorded from October 2024 to July 2026, 76.6% left on time, according to the US BTS.
- On-time departures76.6%of 510 flights
- Average delay15.3 min
- July 202662▲ 100.0%vs July 2025
- Cancelled1.0%
- Legs flown under this number10
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 | 30 | 30 | 0.0% |
| February | 26 | 11 | ▼ 57.7% |
| March | 25 | 23 | ▼ 8.0% |
| April | 2 | 6 | ▲ 200.0% |
| May | 1 | 20 | ▲ 1,900.0% |
| June | 26 | 60 | ▲ 130.8% |
| July | 31 | 62 | ▲ 100.0% |
| August | 28 | – | – |
| September | 12 | – | – |
| October | 28 | – | in progress |
| November | 2 | – | – |
| December | 29 | – | – |
| Year to date (Jan–Jul) | 141 | 212 | ▲ 50.4% |
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 | 73.3% | 80.0% | ▲ 9.1% |
| February | 68.0% | 100.0% | ▲ 47.1% |
| March | 76.0% | 100.0% | ▲ 31.6% |
| April | 50.0% | 50.0% | 0.0% |
| May | 100.0% | 80.0% | ▼ 20.0% |
| June | 61.5% | 74.6% | ▲ 21.2% |
| July | 64.5% | 85.5% | ▲ 32.5% |
| August | 88.9% | – | – |
| September | 83.3% | – | – |
| October | 78.6% | – | in progress |
| November | 100.0% | – | – |
| December | 59.3% | – | – |
| Year-to-date average (Jan–Jul) | 70.5% | 81.4% | ▲ 15.5% |
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 | 1 | 0 | ▼ 100.0% |
| March | 0 | 0 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | 1 | – |
| July | 0 | 0 | – |
| August | 1 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 2 | – | – |
| Year to date (Jan–Jul) | 1 | 1 | 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 99.0% 505
- Cancelled 1.0% 5
Share of all recorded flights in the period, all legs. · Oct 13, 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 |
|---|---|---|---|---|
| ORD XNA Chicago O'Hare International Airport – Northwest Arkansas National Airport | 840 | 17.3 min | 75.0% | 150 |
| ORD TUL Chicago O'Hare International Airport – Tulsa International Airport | 941 | 14.2 min | 68.4% | 118 |
| HSV DFW Huntsville International Airport – Dallas Fort Worth International Airport | 968 | 34.7 min | 76.1% | 72 |
| DFW HSV Dallas Fort Worth International Airport – Huntsville International Airport | 968 | 7.3 min | 84.5% | 71 |
| DEN ORD Denver International Airport – Chicago O'Hare International Airport | 1,426 | 4.2 min | 88.9% | 36 |
| CVG ORD Cincinnati Northern Kentucky International Airport – Chicago O'Hare International Airport | 425 | 0.2 min | 90.0% | 30 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 10 | 10 | 90.0% | 0 |
| November 2024 | 24 | 24 | 79.2% | 0 |
| December 2024 | 24 | 24 | 62.5% | 0 |
| January 2025 | 30 | 30 | 73.3% | 0 |
| February 2025 | 26 | 25 | 68.0% | 1 |
| March 2025 | 25 | 25 | 76.0% | 0 |
| April 2025 | 2 | 2 | 50.0% | 0 |
| May 2025 | 1 | 1 | 100.0% | 0 |
| June 2025 | 26 | 26 | 61.5% | 0 |
| July 2025 | 31 | 31 | 64.5% | 0 |
| August 2025 | 28 | 27 | 88.9% | 1 |
| September 2025 | 12 | 12 | 83.3% | 0 |
| October 2025 | 28 | 28 | 78.6% | 0 |
| November 2025 | 2 | 2 | 100.0% | 0 |
| December 2025 | 29 | 27 | 59.3% | 2 |
| January 2026 | 30 | 30 | 80.0% | 0 |
| February 2026 | 11 | 11 | 100.0% | 0 |
| March 2026 | 23 | 23 | 100.0% | 0 |
| April 2026 | 6 | 6 | 50.0% | 0 |
| May 2026 | 20 | 20 | 80.0% | 0 |
| June 2026 | 60 | 59 | 74.6% | 1 |
| July 2026 | 62 | 62 | 85.5% | 0 |