MQ4037
MQ4037 (Envoy Air) is a multi-stop service on 26 routes, busiest Phoenix to Tulsa. Of 740 departures recorded from October 2024 to July 2026, 83.0% left on time, according to the US BTS.
- On-time departures83.0%of 740 flights
- Average delay9.5 min
- July 202630▲ 0.0%vs July 2025
- Cancelled2.0%
- Legs flown under this number26
Recorded departures by month
All legs under this number combined; see the leg table.
Months without data are left blank.
The most recent periods18 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | 51 | 52 | ▲ 2.0% |
| February | 56 | 48 | ▼ 14.3% |
| March | 56 | 58 | ▲ 3.6% |
| April | 57 | 35 | ▼ 38.6% |
| May | 35 | 30 | ▼ 14.3% |
| June | 30 | 29 | ▼ 3.3% |
| July | 30 | 30 | 0.0% |
| August | 7 | – | – |
| September | 56 | – | – |
| October | 10 | – | in progress |
| November | – | – | – |
| December | 4 | – | – |
| Year to date (Jan–Jul) | 315 | 282 | ▼ 10.5% |
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 periods18 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | 88.9% | 76.9% | ▼ 13.5% |
| February | 87.0% | 85.4% | ▼ 1.9% |
| March | 76.9% | 78.6% | ▲ 2.1% |
| April | 94.7% | 97.1% | ▲ 2.5% |
| May | 71.4% | 89.7% | ▲ 25.5% |
| June | 76.7% | 72.4% | ▼ 5.6% |
| July | 86.7% | 66.7% | ▼ 23.1% |
| August | 71.4% | – | – |
| September | 78.6% | – | – |
| October | 100.0% | – | in progress |
| November | – | – | – |
| December | 100.0% | – | – |
| Year-to-date average (Jan–Jul) | 83.2% | 81.0% | ▼ 2.7% |
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 periods18 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 6 | 0 | ▼ 100.0% |
| February | 2 | 0 | ▼ 100.0% |
| March | 4 | 2 | ▼ 50.0% |
| April | 0 | 0 | – |
| May | 0 | 1 | – |
| June | 0 | 0 | – |
| July | 0 | 0 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | – | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 12 | 3 | ▼ 75.0% |
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 98.0% 725
- Cancelled 2.0% 15
Share of all recorded flights in the period, all legs. · Oct 12, 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 | 19 | 19 | 94.7% | 0 |
| November 2024 | 31 | 31 | 87.1% | 0 |
| December 2024 | 16 | 16 | 81.3% | 0 |
| January 2025 | 51 | 45 | 88.9% | 6 |
| February 2025 | 56 | 54 | 87.0% | 2 |
| March 2025 | 56 | 52 | 76.9% | 4 |
| April 2025 | 57 | 57 | 94.7% | 0 |
| May 2025 | 35 | 35 | 71.4% | 0 |
| June 2025 | 30 | 30 | 76.7% | 0 |
| July 2025 | 30 | 30 | 86.7% | 0 |
| August 2025 | 7 | 7 | 71.4% | 0 |
| September 2025 | 56 | 56 | 78.6% | 0 |
| October 2025 | 10 | 10 | 100.0% | 0 |
| December 2025 | 4 | 4 | 100.0% | 0 |
| January 2026 | 52 | 52 | 76.9% | 0 |
| February 2026 | 48 | 48 | 85.4% | 0 |
| March 2026 | 58 | 56 | 78.6% | 2 |
| April 2026 | 35 | 35 | 97.1% | 0 |
| May 2026 | 30 | 29 | 89.7% | 1 |
| June 2026 | 29 | 29 | 72.4% | 0 |
| July 2026 | 30 | 30 | 66.7% | 0 |