MQ3664
MQ3664 (Envoy Air) is a multi-stop service on 18 routes, busiest Chicago to Columbus. Of 651 departures recorded from October 2024 to July 2026, 78.3% left on time, according to the US BTS.
- On-time departures78.3%of 651 flights
- Average delay11.6 min
- July 202629▼ 6.5%vs July 2025
- Cancelled1.8%
- Legs flown under this number18
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 | 35 | ▲ 16.7% |
| February | 28 | 41 | ▲ 46.4% |
| March | 31 | 36 | ▲ 16.1% |
| April | 26 | 54 | ▲ 107.7% |
| May | 29 | 41 | ▲ 41.4% |
| June | 30 | 1 | ▼ 96.7% |
| July | 31 | 29 | ▼ 6.5% |
| August | 31 | – | – |
| September | 26 | – | – |
| October | 26 | – | in progress |
| November | 29 | – | – |
| December | 38 | – | – |
| Year to date (Jan–Jul) | 205 | 237 | ▲ 15.6% |
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 | 70.0% | 58.8% | ▼ 16.0% |
| February | 78.6% | 82.9% | ▲ 5.5% |
| March | 71.0% | 91.7% | ▲ 29.2% |
| April | 91.3% | 78.4% | ▼ 14.1% |
| May | 88.9% | 82.5% | ▼ 7.2% |
| June | 75.9% | 0.0% | ▼ 100.0% |
| July | 77.4% | 93.1% | ▲ 20.3% |
| August | 66.7% | – | – |
| September | 80.8% | – | – |
| October | 92.3% | – | in progress |
| November | 69.0% | – | – |
| December | 57.9% | – | – |
| Year-to-date average (Jan–Jul) | 79.0% | 69.6% | ▼ 11.9% |
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 | 1 | – |
| February | 0 | 0 | – |
| March | 0 | 0 | – |
| April | 3 | 3 | 0.0% |
| May | 2 | 1 | ▼ 50.0% |
| June | 1 | 0 | ▼ 100.0% |
| July | 0 | 0 | – |
| August | 1 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 6 | 5 | ▼ 16.7% |
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 98.2% 639
- Cancelled 1.8% 12
Share of all recorded flights in the period, all legs. · Oct 12, 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 CMH Chicago O'Hare International Airport – John Glenn Columbus International Airport | 475 | 16.5 min | 74.0% | 205 |
| DFW SGF Dallas Fort Worth International Airport – Springfield Branson National Airport | 587 | 10.0 min | 70.5% | 90 |
| FAR ORD Hector International Airport – Chicago O'Hare International Airport | 895 | 15.9 min | 71.9% | 60 |
| ORD FAR Chicago O'Hare International Airport – Hector International Airport | 895 | 13.7 min | 71.9% | 58 |
| BHM ORD Birmingham-Shuttlesworth International Airport – Chicago O'Hare International Airport | 941 | 5.3 min | 90.2% | 51 |
| OKC DFW OKC Will Rogers World Airport – Dallas Fort Worth International Airport | 282 | 0.9 min | 86.7% | 30 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 6 | 6 | 100.0% | 0 |
| November 2024 | 24 | 24 | 91.7% | 0 |
| December 2024 | 29 | 29 | 75.9% | 0 |
| January 2025 | 30 | 30 | 70.0% | 0 |
| February 2025 | 28 | 28 | 78.6% | 0 |
| March 2025 | 31 | 31 | 71.0% | 0 |
| April 2025 | 26 | 23 | 91.3% | 3 |
| May 2025 | 29 | 27 | 88.9% | 2 |
| June 2025 | 30 | 29 | 75.9% | 1 |
| July 2025 | 31 | 31 | 77.4% | 0 |
| August 2025 | 31 | 30 | 66.7% | 1 |
| September 2025 | 26 | 26 | 80.8% | 0 |
| October 2025 | 26 | 26 | 92.3% | 0 |
| November 2025 | 29 | 29 | 69.0% | 0 |
| December 2025 | 38 | 38 | 57.9% | 0 |
| January 2026 | 35 | 34 | 58.8% | 1 |
| February 2026 | 41 | 41 | 82.9% | 0 |
| March 2026 | 36 | 36 | 91.7% | 0 |
| April 2026 | 54 | 51 | 78.4% | 3 |
| May 2026 | 41 | 40 | 82.5% | 1 |
| June 2026 | 1 | 1 | 0.0% | 0 |
| July 2026 | 29 | 29 | 93.1% | 0 |