MQ4302
MQ4302 (Envoy Air) is a multi-stop service on 6 routes, busiest Miami to Key West. Of 285 departures recorded from March 2025 to July 2026, 83.6% left on time, according to the US BTS.
- On-time departures83.6%of 285 flights
- Average delay5.5 min
- July 20261▼ 96.7%vs July 2025
- Cancelled1.4%
- Legs flown under this number6
Recorded departures by month
All legs under this number combined; see the leg table.
Months without data are left blank.
The most recent periods14 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | – | 10 | – |
| February | – | 18 | – |
| March | 2 | 16 | ▲ 700.0% |
| April | 30 | – | – |
| May | 31 | – | – |
| June | 30 | 27 | ▼ 10.0% |
| July | 30 | 1 | ▼ 96.7% |
| August | 31 | – | – |
| September | 30 | – | – |
| October | 5 | – | in progress |
| November | – | – | – |
| December | 24 | – | – |
according to the US BTS · March 2025 → 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 periods14 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | – | 40.0% | – |
| February | – | 72.2% | – |
| March | 100.0% | 87.5% | ▼ 12.5% |
| April | 83.3% | – | – |
| May | 96.7% | – | – |
| June | 93.1% | 84.6% | ▼ 9.1% |
| July | 83.3% | 100.0% | ▲ 20.0% |
| August | 77.4% | – | – |
| September | 83.3% | – | – |
| October | 100.0% | – | in progress |
| November | – | – | – |
| December | 83.3% | – | – |
according to the US BTS · March 2025 → July 2026
Average departure delay by month
Months without data are left blank.
according to the US BTS · March 2025 → July 2026
Cancelled departures by month
Months without data are left blank.
The most recent periods14 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | – | 0 | – |
| February | – | 0 | – |
| March | 1 | 0 | ▼ 100.0% |
| April | 0 | – | – |
| May | 1 | – | – |
| June | 1 | 1 | 0.0% |
| July | 0 | 0 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | – | – | – |
| December | 0 | – | – |
according to the US BTS · March 2025 → 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 98.6% 281
- Cancelled 1.4% 4
Share of all recorded flights in the period, all legs. · Mar 30, 2025 → Jul 1, 2026
Legs flown under this number
1| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| MIA EYW Miami International Airport – Key West International Airport | 202 | 2.8 min | 86.6% | 189 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| March 2025 | 2 | 1 | 100.0% | 1 |
| April 2025 | 30 | 30 | 83.3% | 0 |
| May 2025 | 31 | 30 | 96.7% | 1 |
| June 2025 | 30 | 29 | 93.1% | 1 |
| July 2025 | 30 | 30 | 83.3% | 0 |
| August 2025 | 31 | 31 | 77.4% | 0 |
| September 2025 | 30 | 30 | 83.3% | 0 |
| October 2025 | 5 | 5 | 100.0% | 0 |
| December 2025 | 24 | 24 | 83.3% | 0 |
| January 2026 | 10 | 10 | 40.0% | 0 |
| February 2026 | 18 | 18 | 72.2% | 0 |
| March 2026 | 16 | 16 | 87.5% | 0 |
| June 2026 | 27 | 26 | 84.6% | 1 |
| July 2026 | 1 | 1 | 100.0% | 0 |