YX4394
YX4394 (Republic Airways) is a multi-stop service on 22 routes, busiest Washington to Raleigh. Of 551 departures recorded from October 2024 to July 2026, 79.9% left on time, according to the US BTS.
- On-time departures79.9%of 551 flights
- Average delay15.2 min
- July 202657▲ 83.9%vs July 2025
- Cancelled3.5%
- Legs flown under this number22
according to the US BTS · Oct 12, 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 | 7 | 27 | ▲ 285.7% |
| February | 13 | 24 | ▲ 84.6% |
| March | 30 | 27 | ▼ 10.0% |
| April | 30 | 10 | ▼ 66.7% |
| May | 8 | 21 | ▲ 162.5% |
| June | 26 | 46 | ▲ 76.9% |
| July | 31 | 57 | ▲ 83.9% |
| August | 26 | – | – |
| September | 22 | – | – |
| October | 6 | – | in progress |
| November | 28 | – | – |
| December | 29 | – | – |
| Year to date (Jan–Jul) | 145 | 212 | ▲ 46.2% |
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 | 66.7% | 57.7% | ▼ 13.5% |
| February | 69.2% | 73.9% | ▲ 6.8% |
| March | 96.7% | 63.0% | ▼ 34.9% |
| April | 86.7% | 70.0% | ▼ 19.2% |
| May | 62.5% | 71.4% | ▲ 14.3% |
| June | 56.5% | 80.0% | ▲ 41.5% |
| July | 77.8% | 88.0% | ▲ 13.1% |
| August | 92.0% | – | – |
| September | 81.8% | – | – |
| October | 83.3% | – | in progress |
| November | 89.3% | – | – |
| December | 55.2% | – | – |
| Year-to-date average (Jan–Jul) | 73.7% | 72.0% | ▼ 2.3% |
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 | 1 | 1 | 0.0% |
| February | 0 | 1 | – |
| March | 0 | 0 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 3 | 1 | ▼ 66.7% |
| July | 4 | 7 | ▲ 75.0% |
| August | 1 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 8 | 10 | ▲ 25.0% |
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 96.6% 532
- Cancelled 3.4% 19
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
88 of 8
| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| DCA RDU Ronald Reagan Washington National Airport – Raleigh-Durham International Airport | 365 | 20.2 min | 69.7% | 124 |
| CMH LGA John Glenn Columbus International Airport – LaGuardia Airport | 768 | 14.3 min | 79.7% | 65 |
| LGA CMH LaGuardia Airport – John Glenn Columbus International Airport | 768 | 19.9 min | 83.3% | 56 |
| ATL ORD Hartsfield Jackson Atlanta International Airport – Chicago O'Hare International Airport | 976 | 1.0 min | 90.7% | 55 |
| DCA LGA Ronald Reagan Washington National Airport – LaGuardia Airport | 345 | 17.5 min | 78.3% | 53 |
| BOS DCA Boston Logan International Airport – Ronald Reagan Washington National Airport | 641 | -3.7 min | 97.6% | 42 |
| CHS LGA Charleston International Airport – LaGuardia Airport | 1,033 | 16.5 min | 71.0% | 32 |
| DCA OKC Ronald Reagan Washington National Airport – OKC Will Rogers World Airport | 1,859 | 5.4 min | 80.7% | 31 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 20 | 20 | 100.0% | 0 |
| November 2024 | 30 | 30 | 100.0% | 0 |
| December 2024 | 33 | 33 | 90.9% | 0 |
| January 2025 | 7 | 6 | 66.7% | 1 |
| February 2025 | 13 | 13 | 69.2% | 0 |
| March 2025 | 30 | 30 | 96.7% | 0 |
| April 2025 | 30 | 30 | 86.7% | 0 |
| May 2025 | 8 | 8 | 62.5% | 0 |
| June 2025 | 26 | 23 | 56.5% | 3 |
| July 2025 | 31 | 27 | 77.8% | 4 |
| August 2025 | 26 | 25 | 92.0% | 1 |
| September 2025 | 22 | 22 | 81.8% | 0 |
| October 2025 | 6 | 6 | 83.3% | 0 |
| November 2025 | 28 | 28 | 89.3% | 0 |
| December 2025 | 29 | 29 | 55.2% | 0 |
| January 2026 | 27 | 26 | 57.7% | 1 |
| February 2026 | 24 | 23 | 73.9% | 1 |
| March 2026 | 27 | 27 | 63.0% | 0 |
| April 2026 | 10 | 10 | 70.0% | 0 |
| May 2026 | 21 | 21 | 71.4% | 0 |
| June 2026 | 46 | 45 | 80.0% | 1 |
| July 2026 | 57 | 50 | 88.0% | 7 |