MQ4281
MQ4281 (Envoy Air) is a multi-stop service on 6 routes, busiest Chicago to Tulsa. Of 404 departures recorded from October 2024 to July 2026, 79.0% left on time, according to the US BTS.
- On-time departures79.0%of 404 flights
- Average delay11.4 min
- July 202631▲ 14.8%vs July 2025
- Cancelled3.2%
- Legs flown under this number6
Recorded departures by month
All legs under this number combined; see the leg table.
Months without data are left blank.
The most recent periods16 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | 24 | 28 | ▲ 16.7% |
| February | 10 | 27 | ▲ 170.0% |
| March | – | 31 | – |
| April | – | 6 | – |
| May | – | 11 | – |
| June | 26 | 30 | ▲ 15.4% |
| July | 27 | 31 | ▲ 14.8% |
| August | 21 | – | – |
| September | 28 | – | – |
| October | 5 | – | in progress |
| November | 15 | – | – |
| December | 28 | – | – |
according to the US BTS · October 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 periods16 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | 75.0% | 85.2% | ▲ 13.6% |
| February | 88.9% | 88.9% | 0.0% |
| March | – | 72.4% | – |
| April | – | 83.3% | – |
| May | – | 81.8% | – |
| June | 69.2% | 77.8% | ▲ 12.4% |
| July | 50.0% | 58.6% | ▲ 17.2% |
| August | 70.0% | – | – |
| September | 89.3% | – | – |
| October | 80.0% | – | in progress |
| November | 92.3% | – | – |
| December | 92.9% | – | – |
according to the US BTS · October 2024 → July 2026
Average departure delay by month
Months without data are left blank.
according to the US BTS · October 2024 → July 2026
Cancelled departures by month
Months without data are left blank.
The most recent periods16 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 0 | 1 | – |
| February | 1 | 0 | ▼ 100.0% |
| March | – | 2 | – |
| April | – | 0 | – |
| May | – | 0 | – |
| June | 0 | 3 | – |
| July | 1 | 2 | ▲ 100.0% |
| August | 1 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 2 | – | – |
| December | 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 96.8% 391
- Cancelled 3.2% 13
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
3| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| ORD TUL Chicago O'Hare International Airport – Tulsa International Airport | 941 | 16.3 min | 72.4% | 211 |
| DFW AMA Dallas Fort Worth International Airport – Rick Husband Amarillo International Airport | 502 | 4.3 min | 91.2% | 105 |
| CHS ORD Charleston International Airport – Chicago O'Hare International Airport | 1,224 | 10.8 min | 76.9% | 54 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 20 | 20 | 100.0% | 0 |
| November 2024 | 28 | 28 | 82.1% | 0 |
| December 2024 | 8 | 8 | 100.0% | 0 |
| January 2025 | 24 | 24 | 75.0% | 0 |
| February 2025 | 10 | 9 | 88.9% | 1 |
| June 2025 | 26 | 26 | 69.2% | 0 |
| July 2025 | 27 | 26 | 50.0% | 1 |
| August 2025 | 21 | 20 | 70.0% | 1 |
| September 2025 | 28 | 28 | 89.3% | 0 |
| October 2025 | 5 | 5 | 80.0% | 0 |
| November 2025 | 15 | 13 | 92.3% | 2 |
| December 2025 | 28 | 28 | 92.9% | 0 |
| January 2026 | 28 | 27 | 85.2% | 1 |
| February 2026 | 27 | 27 | 88.9% | 0 |
| March 2026 | 31 | 29 | 72.4% | 2 |
| April 2026 | 6 | 6 | 83.3% | 0 |
| May 2026 | 11 | 11 | 81.8% | 0 |
| June 2026 | 30 | 27 | 77.8% | 3 |
| July 2026 | 31 | 29 | 58.6% | 2 |