MQ4204
MQ4204 (Envoy Air) is a multi-stop service on 7 routes, busiest Phoenix to Carlsbad. Of 543 departures recorded from March 2025 to July 2026, 83.6% left on time, according to the US BTS.
- On-time departures83.6%of 543 flights
- Average delay6.5 min
- July 202660▲ 93.5%vs July 2025
- Cancelled1.1%
- Legs flown under this number7
Recorded departures by month
All legs under this number combined; see the leg table.
Months without data are left blank.
The most recent periods16 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | – | 62 | – |
| February | – | 54 | – |
| March | 6 | 14 | ▲ 133.3% |
| April | 30 | – | – |
| May | 31 | 20 | ▼ 35.5% |
| June | 30 | 60 | ▲ 100.0% |
| July | 31 | 60 | ▲ 93.5% |
| August | 30 | – | – |
| September | 30 | – | – |
| October | 5 | – | in progress |
| November | 50 | – | – |
| December | 30 | – | – |
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 periods16 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | – | 87.1% | – |
| February | – | 92.6% | – |
| March | 83.3% | 100.0% | ▲ 20.0% |
| April | 93.3% | – | – |
| May | 83.9% | 55.0% | ▼ 34.4% |
| June | 83.3% | 80.0% | ▼ 4.0% |
| July | 80.7% | 75.0% | ▼ 7.0% |
| August | 96.7% | – | – |
| September | 93.3% | – | – |
| October | 100.0% | – | in progress |
| November | 88.6% | – | – |
| December | 56.7% | – | – |
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 periods16 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | – | 0 | – |
| February | – | 0 | – |
| March | 0 | 0 | – |
| April | 0 | – | – |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | 0 | 0 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 6 | – | – |
| 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 98.9% 537
- Cancelled 1.1% 6
Share of all recorded flights in the period, all legs. · Mar 8, 2025 → Jul 31, 2026
On time, leg by leg
Departures within 15 minutes of schedule; small figure = departures recorded.
Legs flown under this number
6| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| PHX CLD Phoenix Sky Harbor International Airport – McClellan-Palomar Airport | 491 | 5.4 min | 85.3% | 259 |
| CLD PHX McClellan-Palomar Airport – Phoenix Sky Harbor International Airport | 491 | 13.3 min | 72.9% | 70 |
| SBP PHX San Luis County Regional Airport – Phoenix Sky Harbor International Airport | 818 | 0.4 min | 88.3% | 63 |
| PHX SBP Phoenix Sky Harbor International Airport – San Luis County Regional Airport | 818 | -2.7 min | 93.3% | 63 |
| PHX FSD Phoenix Sky Harbor International Airport – Sioux Falls Regional Airport | 1,738 | 7.3 min | 79.1% | 43 |
| FSD PHX Sioux Falls Regional Airport – Phoenix Sky Harbor International Airport | 1,738 | 22.2 min | 75.6% | 41 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| March 2025 | 6 | 6 | 83.3% | 0 |
| April 2025 | 30 | 30 | 93.3% | 0 |
| May 2025 | 31 | 31 | 83.9% | 0 |
| June 2025 | 30 | 30 | 83.3% | 0 |
| July 2025 | 31 | 31 | 80.7% | 0 |
| August 2025 | 30 | 30 | 96.7% | 0 |
| September 2025 | 30 | 30 | 93.3% | 0 |
| October 2025 | 5 | 5 | 100.0% | 0 |
| November 2025 | 50 | 44 | 88.6% | 6 |
| December 2025 | 30 | 30 | 56.7% | 0 |
| January 2026 | 62 | 62 | 87.1% | 0 |
| February 2026 | 54 | 54 | 92.6% | 0 |
| March 2026 | 14 | 14 | 100.0% | 0 |
| May 2026 | 20 | 20 | 55.0% | 0 |
| June 2026 | 60 | 60 | 80.0% | 0 |
| July 2026 | 60 | 60 | 75.0% | 0 |