YX3611
YX3611 (Republic Airways) is a multi-stop service on 24 routes, busiest St Louis to Chicago. Of 633 departures recorded from October 2024 to July 2026, 85.3% left on time, according to the US BTS.
- On-time departures85.3%of 633 flights
- Average delay9.4 min
- July 202631▲ 3.3%vs July 2025
- Cancelled4.1%
- Legs flown under this number24
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 | 31 | 30 | ▼ 3.2% |
| February | 28 | 28 | 0.0% |
| March | 21 | 30 | ▲ 42.9% |
| April | 29 | 29 | 0.0% |
| May | 27 | 31 | ▲ 14.8% |
| June | 27 | 30 | ▲ 11.1% |
| July | 30 | 31 | ▲ 3.3% |
| August | 37 | – | – |
| September | 24 | – | – |
| October | 31 | – | in progress |
| November | 29 | – | – |
| December | 30 | – | – |
| Year to date (Jan–Jul) | 193 | 209 | ▲ 8.3% |
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 | 92.9% | 84.6% | ▼ 8.9% |
| February | 100.0% | 82.1% | ▼ 17.9% |
| March | 90.5% | 67.9% | ▼ 25.0% |
| April | 89.7% | 89.7% | 0.0% |
| May | 96.3% | 90.0% | ▼ 6.5% |
| June | 84.6% | 86.2% | ▲ 1.9% |
| July | 73.3% | 84.6% | ▲ 15.4% |
| August | 94.3% | – | – |
| September | 91.7% | – | – |
| October | 83.3% | – | in progress |
| November | 74.1% | – | – |
| December | 89.3% | – | – |
| Year-to-date average (Jan–Jul) | 89.6% | 83.6% | ▼ 6.7% |
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 | 4 | ▲ 33.3% |
| February | 2 | 0 | ▼ 100.0% |
| March | 0 | 2 | – |
| April | 0 | 0 | – |
| May | 0 | 1 | – |
| June | 1 | 1 | 0.0% |
| July | 0 | 5 | – |
| August | 2 | – | – |
| September | 0 | – | – |
| October | 1 | – | in progress |
| November | 2 | – | – |
| December | 2 | – | – |
| Year to date (Jan–Jul) | 6 | 13 | ▲ 116.7% |
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 95.9% 607
- Cancelled 4.1% 26
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
6| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| STL ORD St. Louis Lambert International Airport – Chicago O'Hare International Airport | 415 | 9.1 min | 83.7% | 134 |
| DTW EWR Detroit Metropolitan Wayne County Airport – Newark Liberty International Airport | 784 | 13.8 min | 85.1% | 100 |
| MCI ORD Kansas City International Airport – Chicago O'Hare International Airport | 647 | -1.5 min | 93.3% | 94 |
| CLE ORD Cleveland Hopkins International Airport – Chicago O'Hare International Airport | 507 | 9.5 min | 77.3% | 81 |
| SRQ EWR Sarasota Bradenton International Airport – Newark Liberty International Airport | 1,666 | 30.3 min | 58.3% | 36 |
| IAD PWM Washington Dulles International Airport – Portland International Jetport | 793 | 1.9 min | 90.3% | 31 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 20 | 20 | 100.0% | 0 |
| November 2024 | 29 | 29 | 51.7% | 0 |
| December 2024 | 31 | 31 | 87.1% | 0 |
| January 2025 | 31 | 28 | 92.9% | 3 |
| February 2025 | 28 | 26 | 100.0% | 2 |
| March 2025 | 21 | 21 | 90.5% | 0 |
| April 2025 | 29 | 29 | 89.7% | 0 |
| May 2025 | 27 | 27 | 96.3% | 0 |
| June 2025 | 27 | 26 | 84.6% | 1 |
| July 2025 | 30 | 30 | 73.3% | 0 |
| August 2025 | 37 | 35 | 94.3% | 2 |
| September 2025 | 24 | 24 | 91.7% | 0 |
| October 2025 | 31 | 30 | 83.3% | 1 |
| November 2025 | 29 | 27 | 74.1% | 2 |
| December 2025 | 30 | 28 | 89.3% | 2 |
| January 2026 | 30 | 26 | 84.6% | 4 |
| February 2026 | 28 | 28 | 82.1% | 0 |
| March 2026 | 30 | 28 | 67.9% | 2 |
| April 2026 | 29 | 29 | 89.7% | 0 |
| May 2026 | 31 | 30 | 90.0% | 1 |
| June 2026 | 30 | 29 | 86.2% | 1 |
| July 2026 | 31 | 26 | 84.6% | 5 |