MQ3621
MQ3621 (Envoy Air) is a multi-stop service on 15 routes, busiest Chicago to Greenville. Of 586 departures recorded from October 2024 to July 2026, 81.0% left on time, according to the US BTS.
- On-time departures81.0%of 586 flights
- Average delay9.4 min
- July 202660▲ 1,100.0%vs July 2025
- Cancelled2.1%
- Legs flown under this number15
Recorded departures by month
All legs under this number combined; see the leg table.
The most recent periods19 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | 24 | 31 | ▲ 29.2% |
| February | 26 | 14 | ▼ 46.2% |
| March | 29 | 22 | ▼ 24.1% |
| April | 27 | 42 | ▲ 55.6% |
| May | 31 | 53 | ▲ 71.0% |
| June | 8 | 60 | ▲ 650.0% |
| July | 5 | 60 | ▲ 1,100.0% |
| August | 49 | – | – |
| September | 4 | – | – |
| October | 26 | – | in progress |
| November | 1 | – | – |
| December | 13 | – | – |
| Year to date (Jan–Jul) | 150 | 282 | ▲ 88.0% |
according to the US BTS · October 2024 → July 2026
On-time departures by month
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 | 95.7% | 83.9% | ▼ 12.3% |
| February | 61.5% | 85.7% | ▲ 39.3% |
| March | 82.8% | 68.4% | ▼ 17.3% |
| April | 77.8% | 87.2% | ▲ 12.1% |
| May | 77.4% | 81.6% | ▲ 5.4% |
| June | 75.0% | 74.6% | ▼ 0.6% |
| July | 40.0% | 81.7% | ▲ 104.2% |
| August | 91.8% | – | – |
| September | 75.0% | – | – |
| October | 80.8% | – | in progress |
| November | 100.0% | – | – |
| December | 84.6% | – | – |
| Year-to-date average (Jan–Jul) | 72.9% | 80.4% | ▲ 10.4% |
according to the US BTS · October 2024 → July 2026
Average departure delay by month
according to the US BTS · October 2024 → July 2026
Cancelled departures by month
The most recent periods19 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 1 | 0 | ▼ 100.0% |
| February | 0 | 0 | – |
| March | 0 | 3 | – |
| April | 0 | 3 | – |
| May | 0 | 4 | – |
| June | 0 | 1 | – |
| July | 0 | 0 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 1 | 11 | ▲ 1,000.0% |
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% 574
- Cancelled 2.0% 12
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
7| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| ORD GSP Chicago O'Hare International Airport – Greenville-Spartanburg International Airport | 930 | 9.3 min | 80.5% | 129 |
| LEX DFW Blue Grass Airport – Dallas Fort Worth International Airport | 1,261 | 24.0 min | 69.6% | 71 |
| DFW LEX Dallas Fort Worth International Airport – Blue Grass Airport | 1,261 | 6.4 min | 84.5% | 71 |
| DFW GRK Dallas Fort Worth International Airport – Killeen Regional Airport / Robert Gray Army Airfield | 217 | 5.5 min | 83.3% | 62 |
| MIA TPA Miami International Airport – Tampa International Airport | 329 | 4.1 min | 86.2% | 58 |
| DFW MYR Dallas Fort Worth International Airport – Myrtle Beach International Airport | 1,683 | 9.6 min | 79.3% | 58 |
| GRK DFW Killeen Regional Airport / Robert Gray Army Airfield – Dallas Fort Worth International Airport | 217 | 7.4 min | 86.2% | 31 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 9 | 9 | 88.9% | 0 |
| November 2024 | 27 | 27 | 85.2% | 0 |
| December 2024 | 25 | 25 | 80.0% | 0 |
| January 2025 | 24 | 23 | 95.7% | 1 |
| February 2025 | 26 | 26 | 61.5% | 0 |
| March 2025 | 29 | 29 | 82.8% | 0 |
| April 2025 | 27 | 27 | 77.8% | 0 |
| May 2025 | 31 | 31 | 77.4% | 0 |
| June 2025 | 8 | 8 | 75.0% | 0 |
| July 2025 | 5 | 5 | 40.0% | 0 |
| August 2025 | 49 | 49 | 91.8% | 0 |
| September 2025 | 4 | 4 | 75.0% | 0 |
| October 2025 | 26 | 26 | 80.8% | 0 |
| November 2025 | 1 | 1 | 100.0% | 0 |
| December 2025 | 13 | 13 | 84.6% | 0 |
| January 2026 | 31 | 31 | 83.9% | 0 |
| February 2026 | 14 | 14 | 85.7% | 0 |
| March 2026 | 22 | 19 | 68.4% | 3 |
| April 2026 | 42 | 39 | 87.2% | 3 |
| May 2026 | 53 | 49 | 81.6% | 4 |
| June 2026 | 60 | 59 | 74.6% | 1 |
| July 2026 | 60 | 60 | 81.7% | 0 |