YX3427
YX3427 (Republic Airways) is a multi-stop service on 21 routes, busiest Indianapolis to Chicago. Of 603 departures recorded from October 2024 to July 2026, 87.4% left on time, according to the US BTS.
- On-time departures87.4%of 603 flights
- Average delay6.8 min
- July 202631▲ 0.0%vs July 2025
- Cancelled3.7%
- Legs flown under this number21
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 | 22 | ▼ 29.0% |
| February | 28 | 21 | ▼ 25.0% |
| March | 31 | 31 | 0.0% |
| April | 29 | 25 | ▼ 13.8% |
| May | 31 | 31 | 0.0% |
| June | 30 | 30 | 0.0% |
| July | 31 | 31 | 0.0% |
| August | 31 | – | – |
| September | 22 | – | – |
| October | 6 | – | in progress |
| November | 30 | – | – |
| December | 31 | – | – |
| Year to date (Jan–Jul) | 211 | 191 | ▼ 9.5% |
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 | 93.1% | 80.0% | ▼ 14.1% |
| February | 96.4% | 82.4% | ▼ 14.6% |
| March | 90.3% | 70.0% | ▼ 22.5% |
| April | 85.7% | 84.0% | ▼ 2.0% |
| May | 93.6% | 93.6% | 0.0% |
| June | 90.0% | 85.2% | ▼ 5.3% |
| July | 86.7% | 88.9% | ▲ 2.6% |
| August | 63.3% | – | – |
| September | 85.7% | – | – |
| October | 100.0% | – | in progress |
| November | 90.0% | – | – |
| December | 86.2% | – | – |
| Year-to-date average (Jan–Jul) | 90.8% | 83.4% | ▼ 8.1% |
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 | 2 | 0.0% |
| February | 0 | 4 | – |
| March | 0 | 1 | – |
| April | 1 | 0 | ▼ 100.0% |
| May | 0 | 0 | – |
| June | 0 | 3 | – |
| July | 1 | 4 | ▲ 300.0% |
| August | 1 | – | – |
| September | 1 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 2 | – | – |
| Year to date (Jan–Jul) | 4 | 14 | ▲ 250.0% |
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 96.4% 581
- Cancelled 3.6% 22
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
5| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| IND ORD Indianapolis International Airport – Chicago O'Hare International Airport | 286 | 8.8 min | 86.0% | 254 |
| IAD SDF Washington Dulles International Airport – Louisville Muhammad Ali International Airport | 725 | 0.3 min | 94.4% | 37 |
| EWR CLT Newark Liberty International Airport – Charlotte Douglas International Airport | 850 | 4.3 min | 91.9% | 37 |
| EWR DTW Newark Liberty International Airport – Detroit Metropolitan Wayne County Airport | 784 | 1.5 min | 88.6% | 36 |
| CVG ORD Cincinnati Northern Kentucky International Airport – Chicago O'Hare International Airport | 425 | -5.1 min | 97.2% | 36 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 20 | 20 | 100.0% | 0 |
| November 2024 | 30 | 30 | 96.7% | 0 |
| December 2024 | 31 | 31 | 90.3% | 0 |
| January 2025 | 31 | 29 | 93.1% | 2 |
| February 2025 | 28 | 28 | 96.4% | 0 |
| March 2025 | 31 | 31 | 90.3% | 0 |
| April 2025 | 29 | 28 | 85.7% | 1 |
| May 2025 | 31 | 31 | 93.6% | 0 |
| June 2025 | 30 | 30 | 90.0% | 0 |
| July 2025 | 31 | 30 | 86.7% | 1 |
| August 2025 | 31 | 30 | 63.3% | 1 |
| September 2025 | 22 | 21 | 85.7% | 1 |
| October 2025 | 6 | 6 | 100.0% | 0 |
| November 2025 | 30 | 30 | 90.0% | 0 |
| December 2025 | 31 | 29 | 86.2% | 2 |
| January 2026 | 22 | 20 | 80.0% | 2 |
| February 2026 | 21 | 17 | 82.4% | 4 |
| March 2026 | 31 | 30 | 70.0% | 1 |
| April 2026 | 25 | 25 | 84.0% | 0 |
| May 2026 | 31 | 31 | 93.6% | 0 |
| June 2026 | 30 | 27 | 85.2% | 3 |
| July 2026 | 31 | 27 | 88.9% | 4 |