YX3657
YX3657 (Republic Airways) is a multi-stop service on 17 routes, busiest Chicago to Indianapolis. Of 574 departures recorded from October 2024 to July 2026, 81.9% left on time, according to the US BTS.
- On-time departures81.9%of 574 flights
- Average delay12.0 min
- July 202631▲ 3.3%vs July 2025
- Cancelled2.8%
- Legs flown under this number17
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 | 31 | 0.0% |
| February | 28 | 28 | 0.0% |
| March | 30 | 30 | 0.0% |
| April | 14 | 21 | ▲ 50.0% |
| May | 13 | 29 | ▲ 123.1% |
| June | 30 | 6 | ▼ 80.0% |
| July | 30 | 31 | ▲ 3.3% |
| August | 31 | – | – |
| September | 29 | – | – |
| October | 29 | – | in progress |
| November | 26 | – | – |
| December | 31 | – | – |
| Year to date (Jan–Jul) | 176 | 176 | 0.0% |
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 | 89.7% | 71.4% | ▼ 20.3% |
| February | 92.9% | 81.5% | ▼ 12.3% |
| March | 90.0% | 69.2% | ▼ 23.1% |
| April | 92.9% | 100.0% | ▲ 7.7% |
| May | 69.2% | 82.8% | ▲ 19.5% |
| June | 80.0% | 100.0% | ▲ 25.0% |
| July | 44.8% | 63.0% | ▲ 40.4% |
| August | 80.7% | – | – |
| September | 96.6% | – | – |
| October | 93.1% | – | in progress |
| November | 88.0% | – | – |
| December | 87.1% | – | – |
| Year-to-date average (Jan–Jul) | 79.9% | 81.1% | ▲ 1.5% |
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 | 2 | 3 | ▲ 50.0% |
| February | 0 | 1 | – |
| March | 0 | 4 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | 1 | 4 | ▲ 300.0% |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 1 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 3 | 12 | ▲ 300.0% |
according to the US BTS · October 2024 → July 2026
This is a historical record of departures already flown, not a forecast for your flight.
Several legs: the headline figure averages all of them. See the leg table.
Cancellation share
- Not cancelled 97.2% 558
- Cancelled 2.8% 16
Share of all recorded flights in the period, all legs. · Oct 13, 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 |
|---|---|---|---|---|
| ORD IND Chicago O'Hare International Airport – Indianapolis International Airport | 286 | 7.4 min | 86.8% | 191 |
| LGA ORD LaGuardia Airport – Chicago O'Hare International Airport | 1,177 | 21.3 min | 73.2% | 79 |
| CHS ORD Charleston International Airport – Chicago O'Hare International Airport | 1,224 | 1.3 min | 91.7% | 72 |
| IND ORD Indianapolis International Airport – Chicago O'Hare International Airport | 286 | 21.3 min | 69.7% | 37 |
| ORD CMH Chicago O'Hare International Airport – John Glenn Columbus International Airport | 475 | 56.1 min | 41.2% | 35 |
| IAD CLE Washington Dulles International Airport – Cleveland Hopkins International Airport | 463 | 10.4 min | 84.4% | 33 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 17 | 17 | 64.7% | 0 |
| November 2024 | 28 | 28 | 89.3% | 0 |
| December 2024 | 31 | 31 | 83.9% | 0 |
| January 2025 | 31 | 29 | 89.7% | 2 |
| February 2025 | 28 | 28 | 92.9% | 0 |
| March 2025 | 30 | 30 | 90.0% | 0 |
| April 2025 | 14 | 14 | 92.9% | 0 |
| May 2025 | 13 | 13 | 69.2% | 0 |
| June 2025 | 30 | 30 | 80.0% | 0 |
| July 2025 | 30 | 29 | 44.8% | 1 |
| August 2025 | 31 | 31 | 80.7% | 0 |
| September 2025 | 29 | 29 | 96.6% | 0 |
| October 2025 | 29 | 29 | 93.1% | 0 |
| November 2025 | 26 | 25 | 88.0% | 1 |
| December 2025 | 31 | 31 | 87.1% | 0 |
| January 2026 | 31 | 28 | 71.4% | 3 |
| February 2026 | 28 | 27 | 81.5% | 1 |
| March 2026 | 30 | 26 | 69.2% | 4 |
| April 2026 | 21 | 21 | 100.0% | 0 |
| May 2026 | 29 | 29 | 82.8% | 0 |
| June 2026 | 6 | 6 | 100.0% | 0 |
| July 2026 | 31 | 27 | 63.0% | 4 |