MQ4173
MQ4173 (Envoy Air) is a multi-stop service on 3 routes, busiest Dallas-Fort Worth to Corpus Christi. Of 530 departures recorded from October 2024 to July 2026, 76.3% left on time, according to the US BTS.
- On-time departures76.3%of 530 flights
- Average delay12.8 min
- July 202630▼ 3.2%vs July 2025
- Cancelled2.1%
- Legs flown under this number3
Recorded departures by month
All legs under this number combined; see the leg table.
Months without data are left blank.
The most recent periods19 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | 25 | 5 | ▼ 80.0% |
| February | 28 | 10 | ▼ 64.3% |
| March | 31 | 24 | ▼ 22.6% |
| April | 30 | 30 | 0.0% |
| May | 31 | 31 | 0.0% |
| June | 30 | 30 | 0.0% |
| July | 31 | 30 | ▼ 3.2% |
| August | 31 | – | – |
| September | 10 | – | – |
| October | 28 | – | in progress |
| November | 40 | – | – |
| December | 31 | – | – |
| Year to date (Jan–Jul) | 206 | 160 | ▼ 22.3% |
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 periods19 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | 87.5% | 100.0% | ▲ 14.3% |
| February | 92.6% | 80.0% | ▼ 13.6% |
| March | 77.4% | 79.2% | ▲ 2.3% |
| April | 86.7% | 56.7% | ▼ 34.6% |
| May | 70.0% | 65.5% | ▼ 6.4% |
| June | 63.3% | 56.7% | ▼ 10.5% |
| July | 70.0% | 70.0% | 0.0% |
| August | 77.4% | – | – |
| September | 80.0% | – | – |
| October | 78.6% | – | in progress |
| November | 80.0% | – | – |
| December | 90.3% | – | – |
| Year-to-date average (Jan–Jul) | 78.2% | 72.6% | ▼ 7.2% |
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 periods19 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 1 | 0 | ▼ 100.0% |
| February | 1 | 0 | ▼ 100.0% |
| March | 0 | 0 | – |
| April | 0 | 0 | – |
| May | 1 | 2 | ▲ 100.0% |
| June | 0 | 0 | – |
| July | 1 | 0 | ▼ 100.0% |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 5 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 4 | 2 | ▼ 50.0% |
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 97.9% 519
- Cancelled 2.1% 11
Share of all recorded flights in the period, all legs. · Oct 12, 2024 → Jul 31, 2026
Legs flown under this number
1| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| DFW CRP Dallas Fort Worth International Airport – Corpus Christi International Airport | 572 | 13.5 min | 75.9% | 487 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 20 | 20 | 100.0% | 0 |
| November 2024 | 4 | 4 | 75.0% | 0 |
| January 2025 | 25 | 24 | 87.5% | 1 |
| February 2025 | 28 | 27 | 92.6% | 1 |
| March 2025 | 31 | 31 | 77.4% | 0 |
| April 2025 | 30 | 30 | 86.7% | 0 |
| May 2025 | 31 | 30 | 70.0% | 1 |
| June 2025 | 30 | 30 | 63.3% | 0 |
| July 2025 | 31 | 30 | 70.0% | 1 |
| August 2025 | 31 | 31 | 77.4% | 0 |
| September 2025 | 10 | 10 | 80.0% | 0 |
| October 2025 | 28 | 28 | 78.6% | 0 |
| November 2025 | 40 | 35 | 80.0% | 5 |
| December 2025 | 31 | 31 | 90.3% | 0 |
| January 2026 | 5 | 5 | 100.0% | 0 |
| February 2026 | 10 | 10 | 80.0% | 0 |
| March 2026 | 24 | 24 | 79.2% | 0 |
| April 2026 | 30 | 30 | 56.7% | 0 |
| May 2026 | 31 | 29 | 65.5% | 2 |
| June 2026 | 30 | 30 | 56.7% | 0 |
| July 2026 | 30 | 30 | 70.0% | 0 |