YX4517
YX4517 (Republic Airways) is a multi-stop service on 9 routes, busiest New York to Columbus. Of 574 departures recorded from October 2024 to July 2026, 85.0% left on time, according to the US BTS.
- On-time departures85.0%of 574 flights
- Average delay5.5 min
- July 202630▼ 3.2%vs July 2025
- Cancelled2.3%
- Legs flown under this number9
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 | 51 | 29 | ▼ 43.1% |
| February | 30 | 28 | ▼ 6.7% |
| March | 27 | 31 | ▲ 14.8% |
| April | 19 | 6 | ▼ 68.4% |
| May | 25 | 25 | 0.0% |
| June | 29 | 30 | ▲ 3.4% |
| July | 31 | 30 | ▼ 3.2% |
| August | 31 | – | – |
| September | 22 | – | – |
| October | 26 | – | in progress |
| November | 24 | – | – |
| December | 23 | – | – |
| Year to date (Jan–Jul) | 212 | 179 | ▼ 15.6% |
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 | 92.2% | 84.6% | ▼ 8.2% |
| February | 80.0% | 80.0% | 0.0% |
| March | 92.6% | 61.3% | ▼ 33.8% |
| April | 94.7% | 50.0% | ▼ 47.2% |
| May | 96.0% | 75.0% | ▼ 21.9% |
| June | 93.1% | 75.9% | ▼ 18.5% |
| July | 87.1% | 46.2% | ▼ 47.0% |
| August | 90.3% | – | – |
| September | 100.0% | – | – |
| October | 96.2% | – | in progress |
| November | 83.3% | – | – |
| December | 95.5% | – | – |
| Year-to-date average (Jan–Jul) | 90.8% | 67.6% | ▼ 25.6% |
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 | 0 | 3 | – |
| February | 0 | 3 | – |
| March | 0 | 0 | – |
| April | 0 | 0 | – |
| May | 0 | 1 | – |
| June | 0 | 1 | – |
| July | 0 | 4 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 1 | – | – |
| Year to date (Jan–Jul) | 0 | 12 |
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 97.7% 561
- Cancelled 2.3% 13
Share of all recorded flights in the period, all legs. · Oct 14, 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 |
|---|---|---|---|---|
| LGA CMH LaGuardia Airport – John Glenn Columbus International Airport | 768 | -1.1 min | 90.4% | 237 |
| BOS CMH Boston Logan International Airport – John Glenn Columbus International Airport | 1,028 | 5.9 min | 91.4% | 116 |
| DCA IND Ronald Reagan Washington National Airport – Indianapolis International Airport | 802 | 22.3 min | 62.1% | 71 |
| ORD STL Chicago O'Hare International Airport – St. Louis Lambert International Airport | 415 | 2.1 min | 87.0% | 46 |
| STL ORD St. Louis Lambert International Airport – Chicago O'Hare International Airport | 415 | 0.3 min | 88.9% | 36 |
| RDU PIT Raleigh-Durham International Airport – Pittsburgh International Airport | 528 | 33.3 min | 56.7% | 30 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 14 | 14 | 100.0% | 0 |
| November 2024 | 24 | 24 | 95.8% | 0 |
| December 2024 | 19 | 19 | 84.2% | 0 |
| January 2025 | 51 | 51 | 92.2% | 0 |
| February 2025 | 30 | 30 | 80.0% | 0 |
| March 2025 | 27 | 27 | 92.6% | 0 |
| April 2025 | 19 | 19 | 94.7% | 0 |
| May 2025 | 25 | 25 | 96.0% | 0 |
| June 2025 | 29 | 29 | 93.1% | 0 |
| July 2025 | 31 | 31 | 87.1% | 0 |
| August 2025 | 31 | 31 | 90.3% | 0 |
| September 2025 | 22 | 22 | 100.0% | 0 |
| October 2025 | 26 | 26 | 96.2% | 0 |
| November 2025 | 24 | 24 | 83.3% | 0 |
| December 2025 | 23 | 22 | 95.5% | 1 |
| January 2026 | 29 | 26 | 84.6% | 3 |
| February 2026 | 28 | 25 | 80.0% | 3 |
| March 2026 | 31 | 31 | 61.3% | 0 |
| April 2026 | 6 | 6 | 50.0% | 0 |
| May 2026 | 25 | 24 | 75.0% | 1 |
| June 2026 | 30 | 29 | 75.9% | 1 |
| July 2026 | 30 | 26 | 46.2% | 4 |