MQ3580
MQ3580 (Envoy Air) is a multi-stop service on 25 routes, busiest Chicago to Buffalo. Of 569 departures recorded from October 2024 to July 2026, 81.2% left on time, according to the US BTS.
- On-time departures81.2%of 569 flights
- Average delay12.0 min
- July 202660▲ 1,900.0%vs July 2025
- Cancelled0.7%
- Legs flown under this number25
according to the US BTS · Oct 12, 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 | 31 | 25 | ▼ 19.4% |
| February | 28 | 16 | ▼ 42.9% |
| March | 33 | 26 | ▼ 21.2% |
| April | 33 | 48 | ▲ 45.5% |
| May | 5 | 56 | ▲ 1,020.0% |
| June | 4 | 60 | ▲ 1,400.0% |
| July | 3 | 60 | ▲ 1,900.0% |
| August | 8 | – | – |
| September | 11 | – | – |
| October | 28 | – | in progress |
| November | 3 | – | – |
| December | 11 | – | – |
| Year to date (Jan–Jul) | 137 | 291 | ▲ 112.4% |
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 | 83.9% | 92.0% | ▲ 9.7% |
| February | 82.1% | 87.5% | ▲ 6.5% |
| March | 81.8% | 84.6% | ▲ 3.4% |
| April | 87.9% | 89.6% | ▲ 1.9% |
| May | 100.0% | 76.8% | ▼ 23.2% |
| June | 100.0% | 75.0% | ▼ 25.0% |
| July | 66.7% | 85.0% | ▲ 27.5% |
| August | 83.3% | – | – |
| September | 60.0% | – | – |
| October | 64.3% | – | in progress |
| November | 100.0% | – | – |
| December | 45.5% | – | – |
| Year-to-date average (Jan–Jul) | 86.1% | 84.4% | ▼ 2.0% |
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 | 0 | 0 | – |
| March | 0 | 0 | – |
| April | 0 | 0 | – |
| May | 1 | 0 | ▼ 100.0% |
| June | 0 | 0 | – |
| July | 0 | 0 | – |
| August | 2 | – | – |
| September | 1 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 1 | 0 | ▼ 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 99.3% 565
- Cancelled 0.7% 4
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
99 of 9
| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| ORD BUF Chicago O'Hare International Airport – Buffalo Niagara International Airport | 760 | 23.2 min | 83.8% | 80 |
| HSV DFW Huntsville International Airport – Dallas Fort Worth International Airport | 968 | 30.7 min | 67.6% | 71 |
| DFW HSV Dallas Fort Worth International Airport – Huntsville International Airport | 968 | 9.1 min | 83.1% | 71 |
| ORD HDN Chicago O'Hare International Airport – Yampa Valley Airport | 1,620 | 6.3 min | 80.0% | 45 |
| MIA EYW Miami International Airport – Key West International Airport | 202 | -0.1 min | 92.1% | 38 |
| EYW MIA Key West International Airport – Miami International Airport | 202 | 1.7 min | 89.5% | 38 |
| MSY ORD Louis Armstrong New Orleans International Airport – Chicago O'Hare International Airport | 1,349 | 2.8 min | 91.7% | 36 |
| DFW MEM Dallas Fort Worth International Airport – Frederick W. Smith International Airport | 693 | -1.0 min | 91.4% | 36 |
| MEM ORD Frederick W. Smith International Airport – Chicago O'Hare International Airport | 792 | 1.3 min | 90.0% | 30 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 20 | 20 | 90.0% | 0 |
| November 2024 | 29 | 29 | 75.9% | 0 |
| December 2024 | 31 | 31 | 83.9% | 0 |
| January 2025 | 31 | 31 | 83.9% | 0 |
| February 2025 | 28 | 28 | 82.1% | 0 |
| March 2025 | 33 | 33 | 81.8% | 0 |
| April 2025 | 33 | 33 | 87.9% | 0 |
| May 2025 | 5 | 4 | 100.0% | 1 |
| June 2025 | 4 | 4 | 100.0% | 0 |
| July 2025 | 3 | 3 | 66.7% | 0 |
| August 2025 | 8 | 6 | 83.3% | 2 |
| September 2025 | 11 | 10 | 60.0% | 1 |
| October 2025 | 28 | 28 | 64.3% | 0 |
| November 2025 | 3 | 3 | 100.0% | 0 |
| December 2025 | 11 | 11 | 45.5% | 0 |
| January 2026 | 25 | 25 | 92.0% | 0 |
| February 2026 | 16 | 16 | 87.5% | 0 |
| March 2026 | 26 | 26 | 84.6% | 0 |
| April 2026 | 48 | 48 | 89.6% | 0 |
| May 2026 | 56 | 56 | 76.8% | 0 |
| June 2026 | 60 | 60 | 75.0% | 0 |
| July 2026 | 60 | 60 | 85.0% | 0 |