MQ4171
MQ4171 (Envoy Air) is a multi-stop service on 15 routes, busiest Cedar Rapids to Chicago. Of 594 departures recorded from December 2024 to July 2026, 81.6% left on time, according to the US BTS.
- On-time departures81.6%of 594 flights
- Average delay8.3 min
- July 202662▲ 100.0%vs July 2025
- Cancelled1.0%
- Legs flown under this number15
according to the US BTS · Dec 19, 2024 → Jul 31, 2026 domestic flights only
Recorded departures by month
Partial coverage: domestic flights only · 20 of 20 periods have data
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 | 12 | 30 | ▲ 150.0% |
| February | 16 | 27 | ▲ 68.8% |
| March | 5 | 44 | ▲ 780.0% |
| April | 8 | 52 | ▲ 550.0% |
| May | 2 | 54 | ▲ 2,600.0% |
| June | 26 | 60 | ▲ 130.8% |
| July | 31 | 62 | ▲ 100.0% |
| August | 21 | – | – |
| September | 40 | – | – |
| October | 29 | – | in progress |
| November | 19 | – | – |
| December | 30 | – | – |
| Year to date (Jan–Jul) | 100 | 329 | ▲ 229.0% |
according to the US BTS · December 2024 → July 2026
On-time departures by month
Partial coverage: domestic flights only · 20 of 20 periods have data
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 | 83.3% | 82.8% | ▼ 0.7% |
| February | 56.3% | 88.9% | ▲ 58.0% |
| March | 100.0% | 72.7% | ▼ 27.3% |
| April | 87.5% | 88.5% | ▲ 1.1% |
| May | 50.0% | 83.3% | ▲ 66.7% |
| June | 68.0% | 91.7% | ▲ 34.8% |
| July | 61.3% | 88.7% | ▲ 44.7% |
| August | 50.0% | – | – |
| September | 80.0% | – | – |
| October | 75.9% | – | in progress |
| November | 88.2% | – | – |
| December | 100.0% | – | – |
| Year-to-date average (Jan–Jul) | 72.3% | 85.2% | ▲ 17.8% |
according to the US BTS · December 2024 → July 2026
Average departure delay by month
Partial coverage: domestic flights only · 20 of 20 periods have data
according to the US BTS · December 2024 → July 2026
Cancelled departures by month
Partial coverage: domestic flights only · 20 of 20 periods have data
The most recent periods19 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 0 | 1 | – |
| February | 0 | 0 | – |
| March | 0 | 0 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 1 | 0 | ▼ 100.0% |
| July | 0 | 0 | – |
| August | 1 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 2 | – | – |
| December | 1 | – | – |
| Year to date (Jan–Jul) | 1 | 1 | 0.0% |
according to the US BTS · December 2024 → July 2026
This is not a forecast
This is a historical record of departures already flown, not a forecast for your flight.
This number flies several legs
Several legs: the headline figure averages all of them. See the leg table.
Cancellation share
- Not cancelled 99.0% 588
- Cancelled 1.0% 6
Share of all recorded flights in the period, all legs. · Dec 19, 2024 → Jul 31, 2026
On time, leg by leg
Departures within 15 minutes of schedule; small figure = departures recorded.
Legs flown under this number
99 of 9
| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| CID ORD The Eastern Iowa Airport – Chicago O'Hare International Airport | 315 | 12.4 min | 76.5% | 124 |
| ROC BOS Frederick Douglass Greater Rochester International Airport – Boston Logan International Airport | 551 | 3.0 min | 83.1% | 71 |
| BOS ROC Boston Logan International Airport – Frederick Douglass Greater Rochester International Airport | 551 | -2.3 min | 94.4% | 71 |
| DFW MFE Dallas Fort Worth International Airport – McAllen Miller International Airport | 756 | 20.0 min | 62.3% | 62 |
| ORD ILM Chicago O'Hare International Airport – Wilmington International Airport | 1,223 | 0.8 min | 89.2% | 37 |
| ILM ORD Wilmington International Airport – Chicago O'Hare International Airport | 1,223 | 0.9 min | 86.5% | 37 |
| MOB DFW Mobile Regional Airport – Dallas Fort Worth International Airport | 866 | 17.0 min | 80.6% | 36 |
| DFW MOB Dallas Fort Worth International Airport – Mobile Regional Airport | 866 | 13.0 min | 80.6% | 36 |
| ORD CID Chicago O'Hare International Airport – The Eastern Iowa Airport | 315 | 4.0 min | 87.9% | 33 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| December 2024 | 26 | 26 | 88.5% | 0 |
| January 2025 | 12 | 12 | 83.3% | 0 |
| February 2025 | 16 | 16 | 56.3% | 0 |
| March 2025 | 5 | 5 | 100.0% | 0 |
| April 2025 | 8 | 8 | 87.5% | 0 |
| May 2025 | 2 | 2 | 50.0% | 0 |
| June 2025 | 26 | 25 | 68.0% | 1 |
| July 2025 | 31 | 31 | 61.3% | 0 |
| August 2025 | 21 | 20 | 50.0% | 1 |
| September 2025 | 40 | 40 | 80.0% | 0 |
| October 2025 | 29 | 29 | 75.9% | 0 |
| November 2025 | 19 | 17 | 88.2% | 2 |
| December 2025 | 30 | 29 | 100.0% | 1 |
| January 2026 | 30 | 29 | 82.8% | 1 |
| February 2026 | 27 | 27 | 88.9% | 0 |
| March 2026 | 44 | 44 | 72.7% | 0 |
| April 2026 | 52 | 52 | 88.5% | 0 |
| May 2026 | 54 | 54 | 83.3% | 0 |
| June 2026 | 60 | 60 | 91.7% | 0 |
| July 2026 | 62 | 62 | 88.7% | 0 |