MQ3597
MQ3597 (Envoy Air) is a multi-stop service on 13 routes, busiest Raleigh to Chicago. Of 631 departures recorded from October 2024 to July 2026, 77.8% left on time, according to the US BTS.
- On-time departures77.8%of 631 flights
- Average delay15.9 min
- July 202630▲ 0.0%vs July 2025
- Cancelled2.1%
- Legs flown under this number13
Recorded departures by month
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 | 25 | 0.0% |
| February | 28 | 28 | 0.0% |
| March | 31 | 31 | 0.0% |
| April | 29 | 6 | ▼ 79.3% |
| May | 58 | 10 | ▼ 82.8% |
| June | 34 | 30 | ▼ 11.8% |
| July | 30 | 30 | 0.0% |
| August | 31 | – | – |
| September | 10 | – | – |
| October | 51 | – | in progress |
| November | 30 | – | – |
| December | 25 | – | – |
| Year to date (Jan–Jul) | 235 | 160 | ▼ 31.9% |
according to the US BTS · October 2024 → July 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 periods19 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | 95.5% | 69.6% | ▼ 27.1% |
| February | 81.5% | 50.0% | ▼ 38.6% |
| March | 76.7% | 53.3% | ▼ 30.4% |
| April | 96.6% | 80.0% | ▼ 17.1% |
| May | 67.9% | 90.0% | ▲ 32.6% |
| June | 85.3% | 73.3% | ▼ 14.0% |
| July | 76.7% | 73.3% | ▼ 4.4% |
| August | 90.3% | – | – |
| September | 100.0% | – | – |
| October | 62.0% | – | in progress |
| November | 86.2% | – | – |
| December | 72.0% | – | – |
| Year-to-date average (Jan–Jul) | 82.9% | 69.9% | ▼ 15.6% |
according to the US BTS · October 2024 → July 2026
Average departure delay by month
according to the US BTS · October 2024 → July 2026
Cancelled departures by month
The most recent periods19 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 3 | 2 | ▼ 33.3% |
| February | 1 | 0 | ▼ 100.0% |
| March | 1 | 1 | 0.0% |
| April | 0 | 1 | – |
| May | 2 | 0 | ▼ 100.0% |
| June | 0 | 0 | – |
| July | 0 | 0 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 1 | – | in progress |
| November | 1 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 7 | 4 | ▼ 42.9% |
according to the US BTS · October 2024 → 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 97.9% 618
- Cancelled 2.1% 13
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
7| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| RDU ORD Raleigh-Durham International Airport – Chicago O'Hare International Airport | 1,039 | 24.0 min | 73.4% | 225 |
| PHX RDM Phoenix Sky Harbor International Airport – Roberts Field | 1,438 | 9.6 min | 79.9% | 159 |
| DFW ECP Dallas Fort Worth International Airport – Northwest Florida Beaches International Airport | 1,101 | 4.9 min | 91.2% | 37 |
| XNA DFW Northwest Arkansas National Airport – Dallas Fort Worth International Airport | 452 | 39.3 min | 66.7% | 34 |
| DFW XNA Dallas Fort Worth International Airport – Northwest Arkansas National Airport | 452 | 10.6 min | 78.8% | 34 |
| ORD TVC Chicago O'Hare International Airport – Cherry Capital Airport | 360 | 5.6 min | 90.3% | 31 |
| ORD CMH Chicago O'Hare International Airport – John Glenn Columbus International Airport | 475 | -1.5 min | 96.7% | 30 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 39 | 39 | 89.7% | 0 |
| November 2024 | 30 | 30 | 100.0% | 0 |
| December 2024 | 20 | 20 | 85.0% | 0 |
| January 2025 | 25 | 22 | 95.5% | 3 |
| February 2025 | 28 | 27 | 81.5% | 1 |
| March 2025 | 31 | 30 | 76.7% | 1 |
| April 2025 | 29 | 29 | 96.6% | 0 |
| May 2025 | 58 | 56 | 67.9% | 2 |
| June 2025 | 34 | 34 | 85.3% | 0 |
| July 2025 | 30 | 30 | 76.7% | 0 |
| August 2025 | 31 | 31 | 90.3% | 0 |
| September 2025 | 10 | 10 | 100.0% | 0 |
| October 2025 | 51 | 50 | 62.0% | 1 |
| November 2025 | 30 | 29 | 86.2% | 1 |
| December 2025 | 25 | 25 | 72.0% | 0 |
| January 2026 | 25 | 23 | 69.6% | 2 |
| February 2026 | 28 | 28 | 50.0% | 0 |
| March 2026 | 31 | 30 | 53.3% | 1 |
| April 2026 | 6 | 5 | 80.0% | 1 |
| May 2026 | 10 | 10 | 90.0% | 0 |
| June 2026 | 30 | 30 | 73.3% | 0 |
| July 2026 | 30 | 30 | 73.3% | 0 |