MQ4247
MQ4247 (Envoy Air) is a multi-stop service on 15 routes, busiest Rochester to Chicago. Of 323 departures recorded from March 2025 to July 2026, 89.9% left on time, according to the US BTS.
- On-time departures89.9%of 323 flights
- Average delay2.5 min
- July 202631▲ 3.3%vs July 2025
- 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 periods14 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | – | 10 | – |
| February | – | – | – |
| March | 2 | – | – |
| April | 49 | – | – |
| May | 33 | 11 | ▼ 66.7% |
| June | 30 | 30 | 0.0% |
| July | 30 | 31 | ▲ 3.3% |
| August | 5 | – | – |
| September | 56 | – | – |
| October | 10 | – | in progress |
| November | 6 | – | – |
| December | 20 | – | – |
according to the US BTS · March 2025 → 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 periods14 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | – | 80.0% | – |
| February | – | – | – |
| March | 50.0% | – | – |
| April | 84.1% | – | – |
| May | 74.2% | 100.0% | ▲ 34.8% |
| June | 96.7% | 100.0% | ▲ 3.4% |
| July | 93.3% | 96.8% | ▲ 3.7% |
| August | 100.0% | – | – |
| September | 96.4% | – | – |
| October | 100.0% | – | in progress |
| November | 100.0% | – | – |
| December | 60.0% | – | – |
according to the US BTS · March 2025 → July 2026
Average departure delay by month
Months without data are left blank.
according to the US BTS · March 2025 → July 2026
Cancelled departures by month
Months without data are left blank.
The most recent periods14 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | – | 0 | – |
| February | – | – | – |
| March | 0 | – | – |
| April | 5 | – | – |
| May | 2 | 0 | ▼ 100.0% |
| June | 0 | 0 | – |
| July | 0 | 0 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 0 | – | – |
according to the US BTS · March 2025 → 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% 316
- Cancelled 2.2% 7
Share of all recorded flights in the period, all legs. · Mar 30, 2025 → Jul 31, 2026
On time, leg by leg
Departures within 15 minutes of schedule; small figure = departures recorded.
Legs flown under this number
4| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| ROC ORD Frederick Douglass Greater Rochester International Airport – Chicago O'Hare International Airport | 847 | -2.2 min | 97.7% | 133 |
| MIA CHS Miami International Airport – Charleston International Airport | 790 | -3.6 min | 93.9% | 33 |
| CHS MIA Charleston International Airport – Miami International Airport | 790 | -3.9 min | 100.0% | 33 |
| FSD PHX Sioux Falls Regional Airport – Phoenix Sky Harbor International Airport | 1,738 | 12.2 min | 77.4% | 31 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| March 2025 | 2 | 2 | 50.0% | 0 |
| April 2025 | 49 | 44 | 84.1% | 5 |
| May 2025 | 33 | 31 | 74.2% | 2 |
| June 2025 | 30 | 30 | 96.7% | 0 |
| July 2025 | 30 | 30 | 93.3% | 0 |
| August 2025 | 5 | 5 | 100.0% | 0 |
| September 2025 | 56 | 56 | 96.4% | 0 |
| October 2025 | 10 | 10 | 100.0% | 0 |
| November 2025 | 6 | 6 | 100.0% | 0 |
| December 2025 | 20 | 20 | 60.0% | 0 |
| January 2026 | 10 | 10 | 80.0% | 0 |
| May 2026 | 11 | 11 | 100.0% | 0 |
| June 2026 | 30 | 30 | 100.0% | 0 |
| July 2026 | 31 | 31 | 96.8% | 0 |