MQ3591
MQ3591 (Envoy Air) is a multi-stop service on 22 routes, busiest Chicago to Raleigh. Of 629 departures recorded from October 2024 to July 2026, 81.0% left on time, according to the US BTS.
- On-time departures81.0%of 629 flights
- Average delay10.8 min
- July 202660▲ 93.5%vs July 2025
- Cancelled1.9%
- Legs flown under this number22
according to the US BTS · Oct 13, 2024 → Jul 31, 2026 domestic flights only
Recorded departures by month
Partial coverage: domestic flights only · 22 of 22 periods have data
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 | 26 | 1 | ▼ 96.2% |
| February | 26 | 17 | ▼ 34.6% |
| March | 34 | 31 | ▼ 8.8% |
| April | 29 | 53 | ▲ 82.8% |
| May | 31 | 62 | ▲ 100.0% |
| June | 30 | 60 | ▲ 100.0% |
| July | 31 | 60 | ▲ 93.5% |
| August | 10 | – | – |
| September | 28 | – | – |
| October | 31 | – | in progress |
| November | 1 | – | – |
| December | 5 | – | – |
| Year to date (Jan–Jul) | 207 | 284 | ▲ 37.2% |
according to the US BTS · October 2024 → July 2026
On-time departures by month
Partial coverage: domestic flights only · 22 of 22 periods have data
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 | 96.2% | 100.0% | ▲ 4.0% |
| February | 84.0% | 82.4% | ▼ 2.0% |
| March | 88.2% | 63.3% | ▼ 28.2% |
| April | 64.3% | 69.8% | ▲ 8.6% |
| May | 65.5% | 85.0% | ▲ 29.7% |
| June | 80.0% | 69.1% | ▼ 13.6% |
| July | 74.2% | 83.3% | ▲ 12.3% |
| August | 80.0% | – | – |
| September | 92.9% | – | – |
| October | 90.3% | – | in progress |
| November | 100.0% | – | – |
| December | 100.0% | – | – |
| Year-to-date average (Jan–Jul) | 78.9% | 79.0% | ▲ 0.1% |
according to the US BTS · October 2024 → July 2026
Average departure delay by month
Partial coverage: domestic flights only · 22 of 22 periods have data
according to the US BTS · October 2024 → July 2026
Cancelled departures by month
Partial coverage: domestic flights only · 22 of 22 periods have data
The most recent periods19 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 0 | 0 | – |
| February | 1 | 0 | ▼ 100.0% |
| March | 0 | 1 | – |
| April | 1 | 0 | ▼ 100.0% |
| May | 2 | 2 | 0.0% |
| June | 0 | 5 | – |
| July | 0 | 0 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 4 | 8 | ▲ 100.0% |
according to the US BTS · October 2024 → July 2026
This is not a forecast
This is a historical record of departures already flown, not a forecast for your flight.
This number flies several legs
Several legs: the headline figure averages all of them. See the leg table.
Cancellation share
- Not cancelled 98.1% 617
- Cancelled 1.9% 12
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
99 of 9
| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| ORD RDU Chicago O'Hare International Airport – Raleigh-Durham International Airport | 1,039 | 1.8 min | 93.0% | 116 |
| TLH DFW Tallahassee International Airport – Dallas Fort Worth International Airport | 1,231 | 24.8 min | 64.4% | 62 |
| IAH DFW George Bush Intercontinental Airport – Dallas Fort Worth International Airport | 362 | 28.0 min | 62.7% | 62 |
| DFW IAH Dallas Fort Worth International Airport – George Bush Intercontinental Airport | 362 | 9.3 min | 81.7% | 62 |
| CWA ORD Central Wisconsin Airport – Chicago O'Hare International Airport | 342 | 9.7 min | 79.0% | 62 |
| ORD MEM Chicago O'Hare International Airport – Frederick W. Smith International Airport | 792 | 26.3 min | 69.2% | 53 |
| ORD FSD Chicago O'Hare International Airport – Sioux Falls Regional Airport | 743 | 1.7 min | 88.4% | 44 |
| FSD ORD Sioux Falls Regional Airport – Chicago O'Hare International Airport | 743 | 12.5 min | 72.1% | 44 |
| ORD LAN Chicago O'Hare International Airport – Capital Region International Airport | 287 | 1.0 min | 93.9% | 33 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 20 | 20 | 95.0% | 0 |
| November 2024 | 25 | 25 | 100.0% | 0 |
| December 2024 | 18 | 18 | 100.0% | 0 |
| January 2025 | 26 | 26 | 96.2% | 0 |
| February 2025 | 26 | 25 | 84.0% | 1 |
| March 2025 | 34 | 34 | 88.2% | 0 |
| April 2025 | 29 | 28 | 64.3% | 1 |
| May 2025 | 31 | 29 | 65.5% | 2 |
| June 2025 | 30 | 30 | 80.0% | 0 |
| July 2025 | 31 | 31 | 74.2% | 0 |
| August 2025 | 10 | 10 | 80.0% | 0 |
| September 2025 | 28 | 28 | 92.9% | 0 |
| October 2025 | 31 | 31 | 90.3% | 0 |
| November 2025 | 1 | 1 | 100.0% | 0 |
| December 2025 | 5 | 5 | 100.0% | 0 |
| January 2026 | 1 | 1 | 100.0% | 0 |
| February 2026 | 17 | 17 | 82.4% | 0 |
| March 2026 | 31 | 30 | 63.3% | 1 |
| April 2026 | 53 | 53 | 69.8% | 0 |
| May 2026 | 62 | 60 | 85.0% | 2 |
| June 2026 | 60 | 55 | 69.1% | 5 |
| July 2026 | 60 | 60 | 83.3% | 0 |