MQ4156
MQ4156 (Envoy Air) is a multi-stop service on 14 routes, busiest Chicago to Richmond. Of 474 departures recorded from December 2024 to July 2026, 77.5% left on time, according to the US BTS.
- On-time departures77.5%of 474 flights
- Average delay14.5 min
- July 20264▲ 0.0%vs July 2025
- Cancelled2.3%
- Legs flown under this number14
Recorded departures by month
All legs under this number combined; see the leg table.
Months without data are left blank.
The most recent periods15 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | 12 | 10 | ▼ 16.7% |
| February | – | – | – |
| March | – | – | – |
| April | 54 | 48 | ▼ 11.1% |
| May | 58 | 42 | ▼ 27.6% |
| June | 12 | 4 | ▼ 66.7% |
| July | 4 | 4 | 0.0% |
| August | 51 | – | – |
| September | 60 | – | – |
| October | 10 | – | in progress |
| November | 21 | – | – |
| December | 60 | – | – |
according to the US BTS · December 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 periods15 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | 66.7% | 50.0% | ▼ 25.0% |
| February | – | – | – |
| March | – | – | – |
| April | 76.9% | 75.0% | ▼ 2.5% |
| May | 79.3% | 82.5% | ▲ 4.0% |
| June | 91.7% | 50.0% | ▼ 45.5% |
| July | 100.0% | 100.0% | 0.0% |
| August | 84.0% | – | – |
| September | 87.9% | – | – |
| October | 80.0% | – | in progress |
| November | 70.0% | – | – |
| December | 64.9% | – | – |
according to the US BTS · December 2024 → July 2026
Average departure delay by month
Months without data are left blank.
according to the US BTS · December 2024 → July 2026
Cancelled departures by month
Months without data are left blank.
The most recent periods15 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 0 | 0 | – |
| February | – | – | – |
| March | – | – | – |
| April | 2 | 0 | ▼ 100.0% |
| May | 0 | 2 | – |
| June | 0 | 0 | – |
| July | 0 | 0 | – |
| August | 1 | – | – |
| September | 2 | – | – |
| October | 0 | – | in progress |
| November | 1 | – | – |
| December | 3 | – | – |
according to the US BTS · December 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 97.7% 463
- Cancelled 2.3% 11
Share of all recorded flights in the period, all legs. · Dec 19, 2024 → Jul 25, 2026
On time, leg by leg
Departures within 15 minutes of schedule; small figure = departures recorded.
Legs flown under this number
8| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| RIC ORD Richmond International Airport – Chicago O'Hare International Airport | 1,032 | 15.3 min | 67.8% | 60 |
| ORD RIC Chicago O'Hare International Airport – Richmond International Airport | 1,032 | 4.2 min | 89.8% | 60 |
| TXK DFW Texarkana Regional Airport (Webb Field) – Dallas Fort Worth International Airport | 290 | 14.4 min | 74.4% | 44 |
| DFW TXK Dallas Fort Worth International Airport – Texarkana Regional Airport (Webb Field) | 290 | 7.8 min | 81.4% | 44 |
| MIA CLE Miami International Airport – Cleveland Hopkins International Airport | 1,742 | 4.9 min | 85.7% | 36 |
| CLE MIA Cleveland Hopkins International Airport – Miami International Airport | 1,742 | 39.2 min | 51.4% | 36 |
| SAT DFW San Antonio International Airport – Dallas Fort Worth International Airport | 398 | 8.0 min | 81.3% | 33 |
| DFW SAT Dallas Fort Worth International Airport – San Antonio International Airport | 398 | 3.2 min | 90.6% | 33 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| December 2024 | 24 | 24 | 75.0% | 0 |
| January 2025 | 12 | 12 | 66.7% | 0 |
| April 2025 | 54 | 52 | 76.9% | 2 |
| May 2025 | 58 | 58 | 79.3% | 0 |
| June 2025 | 12 | 12 | 91.7% | 0 |
| July 2025 | 4 | 4 | 100.0% | 0 |
| August 2025 | 51 | 50 | 84.0% | 1 |
| September 2025 | 60 | 58 | 87.9% | 2 |
| October 2025 | 10 | 10 | 80.0% | 0 |
| November 2025 | 21 | 20 | 70.0% | 1 |
| December 2025 | 60 | 57 | 64.9% | 3 |
| January 2026 | 10 | 10 | 50.0% | 0 |
| April 2026 | 48 | 48 | 75.0% | 0 |
| May 2026 | 42 | 40 | 82.5% | 2 |
| June 2026 | 4 | 4 | 50.0% | 0 |
| July 2026 | 4 | 4 | 100.0% | 0 |