MQ4238
MQ4238 (Envoy Air) is a multi-stop service on 5 routes, busiest Chicago to White Plains. Of 72 departures recorded from November 2025 to May 2026, 70.6% left on time, according to the US BTS.
- On-time departures70.6%of 72 flights
- Average delay16.0 min
- May 20262
- Cancelled5.6%
- Legs flown under this number5
Recorded departures by month
Short series — MQ4238 has only 7 months so far. Enough to show the level now, not enough to read a trend.
All legs under this number combined; see the leg table.
The most recent periods7 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | – | 5 | – |
| February | – | 3 | – |
| March | – | 4 | – |
| April | – | 1 | – |
| May | – | 2 | – |
| June | – | – | – |
| July | – | – | – |
| August | – | – | – |
| September | – | – | – |
| October | – | – | in progress |
| November | 28 | – | – |
| December | 29 | – | – |
according to the US BTS · November 2025 → May 2026
On-time departures by month
Short series — MQ4238 has only 7 months so far. Enough to show the level now, not enough to read a trend.
On time = departure within 15 minutes of schedule. Non-cancelled flights with a recorded delay only.
The most recent periods7 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | – | 80.0% | – |
| February | – | 100.0% | – |
| March | – | 75.0% | – |
| April | – | 100.0% | – |
| May | – | 50.0% | – |
| June | – | – | – |
| July | – | – | – |
| August | – | – | – |
| September | – | – | – |
| October | – | – | in progress |
| November | 68.0% | – | – |
| December | 67.9% | – | – |
according to the US BTS · November 2025 → May 2026
Average departure delay by month
Short series — MQ4238 has only 7 months so far. Enough to show the level now, not enough to read a trend.
according to the US BTS · November 2025 → May 2026
Cancelled departures by month
Short series — MQ4238 has only 7 months so far. Enough to show the level now, not enough to read a trend.
The most recent periods7 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | – | 0 | – |
| February | – | 0 | – |
| March | – | 0 | – |
| April | – | 0 | – |
| May | – | 0 | – |
| June | – | – | – |
| July | – | – | – |
| August | – | – | – |
| September | – | – | – |
| October | – | – | in progress |
| November | 3 | – | – |
| December | 1 | – | – |
according to the US BTS · November 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 94.4% 68
- Cancelled 5.6% 4
Share of all recorded flights in the period, all legs. · Nov 2, 2025 → May 7, 2026
Legs flown under this number
1| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| ORD HPN Chicago O'Hare International Airport – Westchester County Airport | 1,185 | 18.5 min | 68.3% | 45 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| November 2025 | 28 | 25 | 68.0% | 3 |
| December 2025 | 29 | 28 | 67.9% | 1 |
| January 2026 | 5 | 5 | 80.0% | 0 |
| February 2026 | 3 | 3 | 100.0% | 0 |
| March 2026 | 4 | 4 | 75.0% | 0 |
| April 2026 | 1 | 1 | 100.0% | 0 |
| May 2026 | 2 | 2 | 50.0% | 0 |