YX4475
YX4475 (Republic Airways) is a multi-stop service on 29 routes, busiest St Louis to New York. Of 753 departures recorded from October 2024 to July 2026, 79.3% left on time, according to the US BTS.
- On-time departures79.3%of 753 flights
- Average delay11.7 min
- July 202654▲ 100.0%vs July 2025
- Cancelled3.9%
- Legs flown under this number29
according to the US BTS · Oct 14, 2024 → Jul 31, 2026 domestic flights only
Recorded departures by month
Partial coverage: domestic flights only · 22 of 22 periods have data
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 | 49 | ▲ 81.5% |
| February | 44 | 46 | ▲ 4.5% |
| March | 10 | 33 | ▲ 230.0% |
| April | 54 | 21 | ▼ 61.1% |
| May | 9 | 38 | ▲ 322.2% |
| June | 22 | 53 | ▲ 140.9% |
| July | 27 | 54 | ▲ 100.0% |
| August | 18 | – | – |
| September | 26 | – | – |
| October | 56 | – | in progress |
| November | 44 | – | – |
| December | 50 | – | – |
| Year to date (Jan–Jul) | 193 | 294 | ▲ 52.3% |
according to the US BTS · October 2024 → July 2026
On-time departures by month
Partial coverage: domestic flights only · 22 of 22 periods have data
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 | 88.0% | 84.4% | ▼ 4.0% |
| February | 73.8% | 78.6% | ▲ 6.4% |
| March | 100.0% | 68.8% | ▼ 31.3% |
| April | 77.8% | 90.5% | ▲ 16.3% |
| May | 77.8% | 89.5% | ▲ 15.0% |
| June | 55.0% | 84.0% | ▲ 52.7% |
| July | 72.0% | 72.9% | ▲ 1.3% |
| August | 82.4% | – | – |
| September | 92.3% | – | – |
| October | 82.1% | – | in progress |
| November | 81.8% | – | – |
| December | 58.0% | – | – |
| Year-to-date average (Jan–Jul) | 77.8% | 81.2% | ▲ 4.5% |
according to the US BTS · October 2024 → July 2026
Average departure delay by month
Partial coverage: domestic flights only · 22 of 22 periods have data
according to the US BTS · October 2024 → July 2026
Cancelled departures by month
Partial coverage: domestic flights only · 22 of 22 periods have data
The most recent periods19 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 2 | 4 | ▲ 100.0% |
| February | 2 | 4 | ▲ 100.0% |
| March | 2 | 1 | ▼ 50.0% |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 2 | 3 | ▲ 50.0% |
| July | 2 | 6 | ▲ 200.0% |
| August | 1 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 10 | 18 | ▲ 80.0% |
according to the US BTS · October 2024 → July 2026
This is not a forecast
This is a historical record of departures already flown, not a forecast for your flight.
This number flies several legs
Several legs: the headline figure averages all of them. See the leg table.
Cancellation share
- Not cancelled 96.1% 724
- Cancelled 3.9% 29
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
99 of 9
| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| STL LGA St. Louis Lambert International Airport – LaGuardia Airport | 1,426 | 24.2 min | 71.6% | 99 |
| LGA STL LaGuardia Airport – St. Louis Lambert International Airport | 1,426 | 5.1 min | 78.7% | 98 |
| LGA DJT LaGuardia Airport – President Donald J. Trump International Airport | 1,668 | 2.7 min | 88.7% | 66 |
| DJT LGA President Donald J. Trump International Airport – LaGuardia Airport | 1,668 | 23.4 min | 70.2% | 62 |
| CLE LGA Cleveland Hopkins International Airport – LaGuardia Airport | 672 | 13.1 min | 70.9% | 60 |
| LGA ORF LaGuardia Airport – Norfolk International Airport | 476 | -2.7 min | 92.1% | 38 |
| DCA DJT Ronald Reagan Washington National Airport – President Donald J. Trump International Airport | 1,383 | -0.1 min | 90.3% | 34 |
| PHL CMH Philadelphia International Airport – John Glenn Columbus International Airport | 652 | 0.3 min | 90.3% | 31 |
| CMH PHL John Glenn Columbus International Airport – Philadelphia International Airport | 652 | 23.0 min | 64.5% | 31 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 28 | 28 | 92.9% | 0 |
| November 2024 | 10 | 10 | 100.0% | 0 |
| December 2024 | 34 | 34 | 79.4% | 0 |
| January 2025 | 27 | 25 | 88.0% | 2 |
| February 2025 | 44 | 42 | 73.8% | 2 |
| March 2025 | 10 | 8 | 100.0% | 2 |
| April 2025 | 54 | 54 | 77.8% | 0 |
| May 2025 | 9 | 9 | 77.8% | 0 |
| June 2025 | 22 | 20 | 55.0% | 2 |
| July 2025 | 27 | 25 | 72.0% | 2 |
| August 2025 | 18 | 17 | 82.4% | 1 |
| September 2025 | 26 | 26 | 92.3% | 0 |
| October 2025 | 56 | 56 | 82.1% | 0 |
| November 2025 | 44 | 44 | 81.8% | 0 |
| December 2025 | 50 | 50 | 58.0% | 0 |
| January 2026 | 49 | 45 | 84.4% | 4 |
| February 2026 | 46 | 42 | 78.6% | 4 |
| March 2026 | 33 | 32 | 68.8% | 1 |
| April 2026 | 21 | 21 | 90.5% | 0 |
| May 2026 | 38 | 38 | 89.5% | 0 |
| June 2026 | 53 | 50 | 84.0% | 3 |
| July 2026 | 54 | 48 | 72.9% | 6 |