YX4631
YX4631 (Republic Airways) is a multi-stop service on 5 routes, busiest Indianapolis to New York. Of 613 departures recorded from November 2024 to July 2026, 90.8% left on time, according to the US BTS.
- On-time departures90.8%of 613 flights
- Average delay1.2 min
- July 202631▲ 0.0%vs July 2025
- Cancelled2.1%
- Legs flown under this number5
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 | 27 | 30 | ▲ 11.1% |
| February | 28 | 28 | 0.0% |
| March | 31 | 28 | ▼ 9.7% |
| April | 30 | 24 | ▼ 20.0% |
| May | 30 | 31 | ▲ 3.3% |
| June | 30 | 30 | 0.0% |
| July | 31 | 31 | 0.0% |
| August | 31 | – | – |
| September | 30 | – | – |
| October | 31 | – | in progress |
| November | 28 | – | – |
| December | 29 | – | – |
| Year to date (Jan–Jul) | 207 | 202 | ▼ 2.4% |
according to the US BTS · November 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 | 92.6% | 85.7% | ▼ 7.4% |
| February | 100.0% | 92.0% | ▼ 8.0% |
| March | 93.6% | 85.7% | ▼ 8.4% |
| April | 96.7% | 91.7% | ▼ 5.2% |
| May | 86.7% | 77.4% | ▼ 10.7% |
| June | 96.6% | 82.8% | ▼ 14.3% |
| July | 96.7% | 82.8% | ▼ 14.4% |
| August | 96.8% | – | – |
| September | 100.0% | – | – |
| October | 100.0% | – | in progress |
| November | 92.9% | – | – |
| December | 96.3% | – | – |
| Year-to-date average (Jan–Jul) | 94.7% | 85.4% | ▼ 9.8% |
according to the US BTS · November 2024 → July 2026
Average departure delay by month
according to the US BTS · November 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 | 3 | ▲ 200.0% |
| March | 0 | 0 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 1 | 1 | 0.0% |
| July | 1 | 2 | ▲ 100.0% |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 2 | – | – |
| Year to date (Jan–Jul) | 3 | 8 | ▲ 166.7% |
according to the US BTS · November 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 97.9% 600
- Cancelled 2.1% 13
Share of all recorded flights in the period, all legs. · Nov 5, 2024 → Jul 31, 2026
Legs flown under this number
1| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| IND JFK Indianapolis International Airport – John F. Kennedy International Airport | 1,067 | 0.8 min | 91.8% | 563 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| November 2024 | 42 | 42 | 83.3% | 0 |
| December 2024 | 13 | 13 | 69.2% | 0 |
| January 2025 | 27 | 27 | 92.6% | 0 |
| February 2025 | 28 | 27 | 100.0% | 1 |
| March 2025 | 31 | 31 | 93.6% | 0 |
| April 2025 | 30 | 30 | 96.7% | 0 |
| May 2025 | 30 | 30 | 86.7% | 0 |
| June 2025 | 30 | 29 | 96.6% | 1 |
| July 2025 | 31 | 30 | 96.7% | 1 |
| August 2025 | 31 | 31 | 96.8% | 0 |
| September 2025 | 30 | 30 | 100.0% | 0 |
| October 2025 | 31 | 31 | 100.0% | 0 |
| November 2025 | 28 | 28 | 92.9% | 0 |
| December 2025 | 29 | 27 | 96.3% | 2 |
| January 2026 | 30 | 28 | 85.7% | 2 |
| February 2026 | 28 | 25 | 92.0% | 3 |
| March 2026 | 28 | 28 | 85.7% | 0 |
| April 2026 | 24 | 24 | 91.7% | 0 |
| May 2026 | 31 | 31 | 77.4% | 0 |
| June 2026 | 30 | 29 | 82.8% | 1 |
| July 2026 | 31 | 29 | 82.8% | 2 |