YX4454
YX4454 (Republic Airways) is a multi-stop service on 14 routes, busiest Washington to New York. Of 540 departures recorded from November 2024 to July 2026, 77.4% left on time, according to the US BTS.
- On-time departures77.4%of 540 flights
- Average delay9.8 min
- July 20267▼ 77.4%vs July 2025
- Cancelled3.5%
- Legs flown under this number14
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 | 28 | 30 | ▲ 7.1% |
| February | 24 | 28 | ▲ 16.7% |
| March | 26 | 31 | ▲ 19.2% |
| April | 26 | 51 | ▲ 96.2% |
| May | 30 | 37 | ▲ 23.3% |
| June | 30 | 13 | ▼ 56.7% |
| July | 31 | 7 | ▼ 77.4% |
| August | 5 | – | – |
| September | 25 | – | – |
| October | 31 | – | in progress |
| November | 30 | – | – |
| December | 28 | – | – |
| Year to date (Jan–Jul) | 195 | 197 | ▲ 1.0% |
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 | 88.5% | 89.3% | ▲ 0.9% |
| February | 27.3% | 76.9% | ▲ 182.1% |
| March | 88.0% | 73.3% | ▼ 16.7% |
| April | 61.5% | 78.4% | ▲ 27.4% |
| May | 70.4% | 83.3% | ▲ 18.4% |
| June | 86.7% | 100.0% | ▲ 15.4% |
| July | 71.0% | 80.0% | ▲ 12.7% |
| August | 40.0% | – | – |
| September | 83.3% | – | – |
| October | 80.7% | – | in progress |
| November | 69.0% | – | – |
| December | 85.2% | – | – |
| Year-to-date average (Jan–Jul) | 70.5% | 83.0% | ▲ 17.8% |
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 | 2 | 2 | 0.0% |
| February | 2 | 2 | 0.0% |
| March | 1 | 1 | 0.0% |
| April | 0 | 0 | – |
| May | 3 | 1 | ▼ 66.7% |
| June | 0 | 0 | – |
| July | 0 | 2 | – |
| August | 0 | – | – |
| September | 1 | – | – |
| October | 0 | – | in progress |
| November | 1 | – | – |
| December | 1 | – | – |
| Year to date (Jan–Jul) | 8 | 8 | 0.0% |
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 96.5% 521
- Cancelled 3.5% 19
Share of all recorded flights in the period, all legs. · Nov 6, 2024 → Jul 25, 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 |
|---|---|---|---|---|
| DCA LGA Ronald Reagan Washington National Airport – LaGuardia Airport | 345 | 17.5 min | 69.8% | 157 |
| LGA BOS LaGuardia Airport – Boston Logan International Airport | 296 | 8.0 min | 80.2% | 122 |
| ORD TYS Chicago O'Hare International Airport – McGhee Tyson Airport | 765 | 13.1 min | 75.8% | 62 |
| ORD IND Chicago O'Hare International Airport – Indianapolis International Airport | 286 | 3.2 min | 82.1% | 57 |
| LGA ILM LaGuardia Airport – Wilmington International Airport | 806 | 3.3 min | 81.8% | 44 |
| ILM LGA Wilmington International Airport – LaGuardia Airport | 806 | 9.5 min | 78.4% | 38 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| November 2024 | 5 | 5 | 100.0% | 0 |
| December 2024 | 24 | 24 | 83.3% | 0 |
| January 2025 | 28 | 26 | 88.5% | 2 |
| February 2025 | 24 | 22 | 27.3% | 2 |
| March 2025 | 26 | 25 | 88.0% | 1 |
| April 2025 | 26 | 26 | 61.5% | 0 |
| May 2025 | 30 | 27 | 70.4% | 3 |
| June 2025 | 30 | 30 | 86.7% | 0 |
| July 2025 | 31 | 31 | 71.0% | 0 |
| August 2025 | 5 | 5 | 40.0% | 0 |
| September 2025 | 25 | 24 | 83.3% | 1 |
| October 2025 | 31 | 31 | 80.7% | 0 |
| November 2025 | 30 | 29 | 69.0% | 1 |
| December 2025 | 28 | 27 | 85.2% | 1 |
| January 2026 | 30 | 28 | 89.3% | 2 |
| February 2026 | 28 | 26 | 76.9% | 2 |
| March 2026 | 31 | 30 | 73.3% | 1 |
| April 2026 | 51 | 51 | 78.4% | 0 |
| May 2026 | 37 | 36 | 83.3% | 1 |
| June 2026 | 13 | 13 | 100.0% | 0 |
| July 2026 | 7 | 5 | 80.0% | 2 |