MQ4153
MQ4153 (Envoy Air) is a multi-stop service on 20 routes, busiest Chicago to Valparaiso. Of 669 departures recorded from October 2024 to July 2026, 88.2% left on time, according to the US BTS.
- On-time departures88.2%of 669 flights
- Average delay2.9 min
- July 202662▲ 100.0%vs July 2025
- Cancelled0.9%
- Legs flown under this number20
Recorded departures by month
All legs under this number combined; see the leg table.
Months without data are left blank.
The most recent periods17 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | – | 5 | – |
| February | – | 4 | – |
| March | 52 | 4 | ▼ 92.3% |
| April | 60 | 49 | ▼ 18.3% |
| May | 62 | 62 | 0.0% |
| June | 34 | 60 | ▲ 76.5% |
| July | 31 | 62 | ▲ 100.0% |
| August | 13 | – | – |
| September | 53 | – | – |
| October | 54 | – | in progress |
| November | 36 | – | – |
| December | 2 | – | – |
according to the US BTS · October 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 periods17 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | – | 80.0% | – |
| February | – | 75.0% | – |
| March | 84.6% | 100.0% | ▲ 18.2% |
| April | 81.7% | 93.8% | ▲ 14.8% |
| May | 83.9% | 83.9% | 0.0% |
| June | 85.3% | 93.3% | ▲ 9.4% |
| July | 86.7% | 91.9% | ▲ 6.1% |
| August | 84.6% | – | – |
| September | 88.7% | – | – |
| October | 100.0% | – | in progress |
| November | 96.9% | – | – |
| December | 0.0% | – | – |
according to the US BTS · October 2024 → July 2026
Average departure delay by month
Months without data are left blank.
according to the US BTS · October 2024 → July 2026
Cancelled departures by month
Months without data are left blank.
The most recent periods17 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | – | 0 | – |
| February | – | 0 | – |
| March | 0 | 0 | – |
| April | 0 | 1 | – |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | 1 | 0 | ▼ 100.0% |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 4 | – | – |
| December | 0 | – | – |
according to the US BTS · October 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 99.1% 663
- Cancelled 0.9% 6
Share of all recorded flights in the period, all legs. · Oct 13, 2024 → Jul 31, 2026
On time, leg by leg
Departures within 15 minutes of schedule; small figure = departures recorded.
Legs flown under this number
12Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 22 | 22 | 77.3% | 0 |
| November 2024 | 4 | 4 | 100.0% | 0 |
| March 2025 | 52 | 52 | 84.6% | 0 |
| April 2025 | 60 | 60 | 81.7% | 0 |
| May 2025 | 62 | 62 | 83.9% | 0 |
| June 2025 | 34 | 34 | 85.3% | 0 |
| July 2025 | 31 | 30 | 86.7% | 1 |
| August 2025 | 13 | 13 | 84.6% | 0 |
| September 2025 | 53 | 53 | 88.7% | 0 |
| October 2025 | 54 | 54 | 100.0% | 0 |
| November 2025 | 36 | 32 | 96.9% | 4 |
| December 2025 | 2 | 2 | 0.0% | 0 |
| January 2026 | 5 | 5 | 80.0% | 0 |
| February 2026 | 4 | 4 | 75.0% | 0 |
| March 2026 | 4 | 4 | 100.0% | 0 |
| April 2026 | 49 | 48 | 93.8% | 1 |
| May 2026 | 62 | 62 | 83.9% | 0 |
| June 2026 | 60 | 60 | 93.3% | 0 |
| July 2026 | 62 | 62 | 91.9% | 0 |