MQ4228
MQ4228 (Envoy Air) is a multi-stop service on 7 routes, busiest Columbia to Chicago. Of 329 departures recorded from March 2025 to May 2026, 73.5% left on time, according to the US BTS.
- On-time departures73.5%of 329 flights
- Average delay18.3 min
- May 202620
- Cancelled2.4%
- Legs flown under this number7
Recorded departures by month
All legs under this number combined; see the leg table.
Months without data are left blank.
The most recent periods12 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | – | 10 | – |
| February | – | 28 | – |
| March | 4 | 54 | ▲ 1,250.0% |
| April | – | 34 | – |
| May | – | 20 | – |
| June | 26 | – | – |
| July | 29 | – | – |
| August | 4 | – | – |
| September | 8 | – | – |
| October | – | – | in progress |
| November | 52 | – | – |
| December | 60 | – | – |
according to the US BTS · March 2025 → 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 periods12 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | – | 90.0% | – |
| February | – | 82.1% | – |
| March | 75.0% | 81.5% | ▲ 8.6% |
| April | – | 73.5% | – |
| May | – | 85.0% | – |
| June | 53.9% | – | – |
| July | 40.7% | – | – |
| August | 75.0% | – | – |
| September | 75.0% | – | – |
| October | – | – | in progress |
| November | 79.2% | – | – |
| December | 74.1% | – | – |
according to the US BTS · March 2025 → May 2026
Average departure delay by month
Months without data are left blank.
according to the US BTS · March 2025 → May 2026
Cancelled departures by month
Months without data are left blank.
The most recent periods12 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | – | 0 | – |
| February | – | 0 | – |
| March | 0 | 0 | – |
| April | – | 0 | – |
| May | – | 0 | – |
| June | 0 | – | – |
| July | 2 | – | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | – | – | in progress |
| November | 4 | – | – |
| December | 2 | – | – |
according to the US BTS · March 2025 → 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 97.6% 321
- Cancelled 2.4% 8
Share of all recorded flights in the period, all legs. · Mar 8, 2025 → May 20, 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 |
|---|---|---|---|---|
| COU ORD Columbia Regional Airport – Chicago O'Hare International Airport | 507 | 17.2 min | 76.9% | 150 |
| ORD COU Chicago O'Hare International Airport – Columbia Regional Airport | 507 | 8.2 min | 82.5% | 106 |
| ORD CHS Chicago O'Hare International Airport – Charleston International Airport | 1,224 | 29.5 min | 49.1% | 59 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| March 2025 | 4 | 4 | 75.0% | 0 |
| June 2025 | 26 | 26 | 53.9% | 0 |
| July 2025 | 29 | 27 | 40.7% | 2 |
| August 2025 | 4 | 4 | 75.0% | 0 |
| September 2025 | 8 | 8 | 75.0% | 0 |
| November 2025 | 52 | 48 | 79.2% | 4 |
| December 2025 | 60 | 58 | 74.1% | 2 |
| January 2026 | 10 | 10 | 90.0% | 0 |
| February 2026 | 28 | 28 | 82.1% | 0 |
| March 2026 | 54 | 54 | 81.5% | 0 |
| April 2026 | 34 | 34 | 73.5% | 0 |
| May 2026 | 20 | 20 | 85.0% | 0 |