MQ4199
MQ4199 (Envoy Air) is a multi-stop service on 7 routes, busiest Chicago to Missoula. Of 424 departures recorded from March 2025 to May 2026, 73.1% left on time, according to the US BTS.
- On-time departures73.1%of 424 flights
- Average delay16.1 min
- May 202640▲ 1,233.3%vs May 2025
- Cancelled0.9%
- 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 periods13 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | – | 62 | – |
| February | – | 56 | – |
| March | 52 | 62 | ▲ 19.2% |
| April | 29 | 60 | ▲ 106.9% |
| May | 3 | 40 | ▲ 1,233.3% |
| June | 3 | – | – |
| July | 9 | – | – |
| August | 2 | – | – |
| September | – | – | – |
| October | – | – | in progress |
| November | 18 | – | – |
| December | 28 | – | – |
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 periods13 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | – | 67.7% | – |
| February | – | 66.1% | – |
| March | 83.3% | 61.3% | ▼ 26.4% |
| April | 72.4% | 80.0% | ▲ 10.5% |
| May | 33.3% | 92.5% | ▲ 177.5% |
| June | 100.0% | – | – |
| July | 88.9% | – | – |
| August | 100.0% | – | – |
| September | – | – | – |
| October | – | – | in progress |
| November | 100.0% | – | – |
| December | 42.9% | – | – |
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 periods13 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | – | 0 | – |
| February | – | 0 | – |
| March | 4 | 0 | ▼ 100.0% |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | – | – |
| July | 0 | – | – |
| August | 0 | – | – |
| September | – | – | – |
| October | – | – | in progress |
| November | 0 | – | – |
| December | 0 | – | – |
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 99.1% 420
- Cancelled 0.9% 4
Share of all recorded flights in the period, all legs. · Mar 6, 2025 → May 20, 2026
On time, leg by leg
Departures within 15 minutes of schedule; small figure = departures recorded.
Legs flown under this number
2| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| ORD MSO Chicago O'Hare International Airport – Missoula Montana Airport | 2,139 | 9.0 min | 80.5% | 154 |
| MSO ORD Missoula Montana Airport – Chicago O'Hare International Airport | 2,139 | 30.1 min | 58.4% | 154 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| March 2025 | 52 | 48 | 83.3% | 4 |
| April 2025 | 29 | 29 | 72.4% | 0 |
| May 2025 | 3 | 3 | 33.3% | 0 |
| June 2025 | 3 | 3 | 100.0% | 0 |
| July 2025 | 9 | 9 | 88.9% | 0 |
| August 2025 | 2 | 2 | 100.0% | 0 |
| November 2025 | 18 | 18 | 100.0% | 0 |
| December 2025 | 28 | 28 | 42.9% | 0 |
| January 2026 | 62 | 62 | 67.7% | 0 |
| February 2026 | 56 | 56 | 66.1% | 0 |
| March 2026 | 62 | 62 | 61.3% | 0 |
| April 2026 | 60 | 60 | 80.0% | 0 |
| May 2026 | 40 | 40 | 92.5% | 0 |