MQ3515
MQ3515 (Envoy Air) is a multi-stop service on 26 routes, busiest Key West to Miami. Of 549 departures recorded from November 2024 to July 2026, 86.5% left on time, according to the US BTS.
- On-time departures86.5%of 549 flights
- Average delay8.9 min
- July 202654▲ 800.0%vs July 2025
- Cancelled1.3%
- Legs flown under this number26
according to the US BTS · Nov 7, 2024 → Jul 31, 2026 domestic flights only
Recorded departures by month
Partial coverage: domestic flights only · 21 of 21 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 | 25 | 47 | ▲ 88.0% |
| February | 28 | 37 | ▲ 32.1% |
| March | 27 | 31 | ▲ 14.8% |
| April | 23 | 14 | ▼ 39.1% |
| May | 30 | 24 | ▼ 20.0% |
| June | 6 | 54 | ▲ 800.0% |
| July | 6 | 54 | ▲ 800.0% |
| August | 6 | – | – |
| September | 23 | – | – |
| October | 35 | – | in progress |
| November | 30 | – | – |
| December | 31 | – | – |
| Year to date (Jan–Jul) | 145 | 261 | ▲ 80.0% |
according to the US BTS · November 2024 → July 2026
On-time departures by month
Partial coverage: domestic flights only · 21 of 21 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 | 92.0% | 76.6% | ▼ 16.7% |
| February | 85.2% | 81.1% | ▼ 4.8% |
| March | 85.2% | 75.0% | ▼ 12.0% |
| April | 95.7% | 71.4% | ▼ 25.3% |
| May | 86.7% | 87.0% | ▲ 0.3% |
| June | 83.3% | 94.4% | ▲ 13.3% |
| July | 83.3% | 100.0% | ▲ 20.0% |
| August | 50.0% | – | – |
| September | 82.6% | – | – |
| October | 94.3% | – | in progress |
| November | 96.6% | – | – |
| December | 76.7% | – | – |
| Year-to-date average (Jan–Jul) | 87.3% | 83.6% | ▼ 4.2% |
according to the US BTS · November 2024 → July 2026
Average departure delay by month
Partial coverage: domestic flights only · 21 of 21 periods have data
according to the US BTS · November 2024 → July 2026
Cancelled departures by month
Partial coverage: domestic flights only · 21 of 21 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 | 3 | – |
| April | 0 | 0 | – |
| May | 0 | 1 | – |
| June | 0 | 0 | – |
| July | 0 | 0 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 1 | – | – |
| December | 1 | – | – |
| Year to date (Jan–Jul) | 1 | 4 | ▲ 300.0% |
according to the US BTS · November 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 98.7% 542
- Cancelled 1.3% 7
Share of all recorded flights in the period, all legs. · Nov 7, 2024 → Jul 31, 2026
On time, leg by leg
Departures within 15 minutes of schedule; small figure = departures recorded.
Legs flown under this number
88 of 8
| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| MIA EYW Miami International Airport – Key West International Airport | 202 | -4.3 min | 98.4% | 62 |
| EYW MIA Key West International Airport – Miami International Airport | 202 | -7.2 min | 96.8% | 62 |
| ORD LAN Chicago O'Hare International Airport – Capital Region International Airport | 287 | 9.8 min | 75.0% | 49 |
| DSM PHX Des Moines International Airport – Phoenix Sky Harbor International Airport | 1,847 | 8.8 min | 88.9% | 36 |
| ORD BHM Chicago O'Hare International Airport – Birmingham-Shuttlesworth International Airport | 941 | 15.0 min | 83.9% | 31 |
| BHM ORD Birmingham-Shuttlesworth International Airport – Chicago O'Hare International Airport | 941 | 19.7 min | 77.4% | 31 |
| ATW ORD Appleton International Airport – Chicago O'Hare International Airport | 258 | -4.6 min | 96.7% | 31 |
| CLE ORD Cleveland Hopkins International Airport – Chicago O'Hare International Airport | 507 | 32.0 min | 67.9% | 30 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| November 2024 | 15 | 15 | 80.0% | 0 |
| December 2024 | 3 | 3 | 66.7% | 0 |
| January 2025 | 25 | 25 | 92.0% | 0 |
| February 2025 | 28 | 27 | 85.2% | 1 |
| March 2025 | 27 | 27 | 85.2% | 0 |
| April 2025 | 23 | 23 | 95.7% | 0 |
| May 2025 | 30 | 30 | 86.7% | 0 |
| June 2025 | 6 | 6 | 83.3% | 0 |
| July 2025 | 6 | 6 | 83.3% | 0 |
| August 2025 | 6 | 6 | 50.0% | 0 |
| September 2025 | 23 | 23 | 82.6% | 0 |
| October 2025 | 35 | 35 | 94.3% | 0 |
| November 2025 | 30 | 29 | 96.6% | 1 |
| December 2025 | 31 | 30 | 76.7% | 1 |
| January 2026 | 47 | 47 | 76.6% | 0 |
| February 2026 | 37 | 37 | 81.1% | 0 |
| March 2026 | 31 | 28 | 75.0% | 3 |
| April 2026 | 14 | 14 | 71.4% | 0 |
| May 2026 | 24 | 23 | 87.0% | 1 |
| June 2026 | 54 | 54 | 94.4% | 0 |
| July 2026 | 54 | 54 | 100.0% | 0 |