MQ4167
MQ4167 (Envoy Air) is a multi-stop service on 9 routes, busiest Key West to Washington. Of 581 departures recorded from November 2024 to May 2026, 74.9% left on time, according to the US BTS.
- On-time departures74.9%of 581 flights
- Average delay11.6 min
- May 202620▼ 65.5%vs May 2025
- Cancelled3.3%
- Legs flown under this number9
Recorded departures by month
All legs under this number combined; see the leg table.
The most recent periods17 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | 31 | 31 | 0.0% |
| February | 28 | 28 | 0.0% |
| March | 31 | 31 | 0.0% |
| April | 30 | 30 | 0.0% |
| May | 58 | 20 | ▼ 65.5% |
| June | 34 | – | – |
| July | 30 | – | – |
| August | 30 | – | – |
| September | 50 | – | – |
| October | 8 | – | in progress |
| November | 28 | – | – |
| December | 30 | – | – |
| Year to date (Jan–May) | 178 | 140 | ▼ 21.3% |
according to the US BTS · November 2024 → May 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 periods17 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | 86.2% | 57.1% | ▼ 33.7% |
| February | 69.2% | 44.4% | ▼ 35.8% |
| March | 75.9% | 80.0% | ▲ 5.5% |
| April | 93.3% | 90.0% | ▼ 3.6% |
| May | 69.8% | 85.0% | ▲ 21.8% |
| June | 61.8% | – | – |
| July | 66.7% | – | – |
| August | 76.7% | – | – |
| September | 81.3% | – | – |
| October | 75.0% | – | in progress |
| November | 67.9% | – | – |
| December | 86.7% | – | – |
| Year-to-date average (Jan–May) | 78.9% | 71.3% | ▼ 9.6% |
according to the US BTS · November 2024 → May 2026
Average departure delay by month
according to the US BTS · November 2024 → May 2026
Cancelled departures by month
The most recent periods17 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 2 | 3 | ▲ 50.0% |
| February | 2 | 1 | ▼ 50.0% |
| March | 2 | 1 | ▼ 50.0% |
| April | 0 | 0 | – |
| May | 5 | 0 | ▼ 100.0% |
| June | 0 | – | – |
| July | 0 | – | – |
| August | 0 | – | – |
| September | 2 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 0 | – | – |
| Year to date (Jan–May) | 11 | 5 | ▼ 54.5% |
according to the US BTS · November 2024 → May 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 96.7% 562
- Cancelled 3.3% 19
Share of all recorded flights in the period, all legs. · Nov 5, 2024 → May 20, 2026
On time, leg by leg
Departures within 15 minutes of schedule; small figure = departures recorded.
Legs flown under this number
4| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| EYW DCA Key West International Airport – Ronald Reagan Washington National Airport | 1,651 | 10.3 min | 76.6% | 371 |
| GSP MIA Greenville-Spartanburg International Airport – Miami International Airport | 1,029 | 13.6 min | 62.3% | 61 |
| TYS DCA McGhee Tyson Airport – Ronald Reagan Washington National Airport | 702 | 19.0 min | 67.9% | 31 |
| DCA TYS Ronald Reagan Washington National Airport – McGhee Tyson Airport | 702 | 22.0 min | 72.4% | 31 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| November 2024 | 25 | 25 | 88.0% | 0 |
| December 2024 | 28 | 27 | 70.4% | 1 |
| January 2025 | 31 | 29 | 86.2% | 2 |
| February 2025 | 28 | 26 | 69.2% | 2 |
| March 2025 | 31 | 29 | 75.9% | 2 |
| April 2025 | 30 | 30 | 93.3% | 0 |
| May 2025 | 58 | 53 | 69.8% | 5 |
| June 2025 | 34 | 34 | 61.8% | 0 |
| July 2025 | 30 | 30 | 66.7% | 0 |
| August 2025 | 30 | 30 | 76.7% | 0 |
| September 2025 | 50 | 48 | 81.3% | 2 |
| October 2025 | 8 | 8 | 75.0% | 0 |
| November 2025 | 28 | 28 | 67.9% | 0 |
| December 2025 | 30 | 30 | 86.7% | 0 |
| January 2026 | 31 | 28 | 57.1% | 3 |
| February 2026 | 28 | 27 | 44.4% | 1 |
| March 2026 | 31 | 30 | 80.0% | 1 |
| April 2026 | 30 | 30 | 90.0% | 0 |
| May 2026 | 20 | 20 | 85.0% | 0 |