MQ3499
MQ3499 (Envoy Air) flies Chicago to White Plains. Of 647 departures recorded from October 2024 to July 2026, 76.7% left on time, according to the US BTS.
- On-time departures76.7%of 647 flights
- Average delay14.5 min
- July 202631▲ 0.0%vs July 2025
- Cancelled5.1%
Recorded departures by month
The most recent periods19 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | 31 | 30 | ▼ 3.2% |
| February | 28 | 28 | 0.0% |
| March | 31 | 31 | 0.0% |
| April | 30 | 30 | 0.0% |
| May | 31 | 29 | ▼ 6.5% |
| June | 30 | 29 | ▼ 3.3% |
| July | 31 | 31 | 0.0% |
| August | 31 | – | – |
| September | 30 | – | – |
| October | 31 | – | in progress |
| November | 29 | – | – |
| December | 29 | – | – |
| Year to date (Jan–Jul) | 212 | 208 | ▼ 1.9% |
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 | 90.3% | 71.4% | ▼ 20.9% |
| February | 81.5% | 80.8% | ▼ 0.9% |
| March | 75.9% | 75.0% | ▼ 1.1% |
| April | 93.1% | 81.5% | ▼ 12.5% |
| May | 82.8% | 77.8% | ▼ 6.0% |
| June | 72.4% | 51.9% | ▼ 28.4% |
| July | 50.0% | 75.9% | ▲ 51.7% |
| August | 67.9% | – | – |
| September | 96.7% | – | – |
| October | 80.7% | – | in progress |
| November | 80.0% | – | – |
| December | 67.9% | – | – |
| Year-to-date average (Jan–Jul) | 78.0% | 73.5% | ▼ 5.8% |
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 | 0 | 2 | – |
| February | 1 | 2 | ▲ 100.0% |
| March | 2 | 3 | ▲ 50.0% |
| April | 1 | 3 | ▲ 200.0% |
| May | 2 | 2 | 0.0% |
| June | 1 | 2 | ▲ 100.0% |
| July | 1 | 2 | ▲ 100.0% |
| August | 3 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 4 | – | – |
| December | 1 | – | – |
| Year to date (Jan–Jul) | 8 | 16 | ▲ 100.0% |
according to the US BTS · October 2024 → July 2026
This is a historical record of departures already flown, not a forecast for your flight.
Cancellation share
- Not cancelled 94.9% 614
- Cancelled 5.1% 33
Share of all recorded flights in the period, all legs. · Oct 12, 2024 → Jul 31, 2026
Legs flown under this number
1| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| ORD HPN Chicago O'Hare International Airport – Westchester County Airport | 1,185 | 14.5 min | 76.7% | 647 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 19 | 19 | 73.7% | 0 |
| November 2024 | 29 | 29 | 79.3% | 0 |
| December 2024 | 29 | 28 | 78.6% | 1 |
| January 2025 | 31 | 31 | 90.3% | 0 |
| February 2025 | 28 | 27 | 81.5% | 1 |
| March 2025 | 31 | 29 | 75.9% | 2 |
| April 2025 | 30 | 29 | 93.1% | 1 |
| May 2025 | 31 | 29 | 82.8% | 2 |
| June 2025 | 30 | 29 | 72.4% | 1 |
| July 2025 | 31 | 30 | 50.0% | 1 |
| August 2025 | 31 | 28 | 67.9% | 3 |
| September 2025 | 30 | 30 | 96.7% | 0 |
| October 2025 | 31 | 31 | 80.7% | 0 |
| November 2025 | 29 | 25 | 80.0% | 4 |
| December 2025 | 29 | 28 | 67.9% | 1 |
| January 2026 | 30 | 28 | 71.4% | 2 |
| February 2026 | 28 | 26 | 80.8% | 2 |
| March 2026 | 31 | 28 | 75.0% | 3 |
| April 2026 | 30 | 27 | 81.5% | 3 |
| May 2026 | 29 | 27 | 77.8% | 2 |
| June 2026 | 29 | 27 | 51.9% | 2 |
| July 2026 | 31 | 29 | 75.9% | 2 |