YX4429
YX4429 (Republic Airways) is a multi-stop service on 20 routes, busiest Washington to Atlanta. Of 873 departures recorded from October 2024 to July 2026, 77.2% left on time, according to the US BTS.
- On-time departures77.2%of 873 flights
- Average delay11.3 min
- July 202658▲ 87.1%vs July 2025
- Cancelled5.6%
- Legs flown under this number20
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 | 54 | 49 | ▼ 9.3% |
| February | 52 | 44 | ▼ 15.4% |
| March | 54 | 55 | ▲ 1.9% |
| April | 10 | 53 | ▲ 430.0% |
| May | 5 | 52 | ▲ 940.0% |
| June | 26 | 56 | ▲ 115.4% |
| July | 31 | 58 | ▲ 87.1% |
| August | 23 | – | – |
| September | 30 | – | – |
| October | 30 | – | in progress |
| November | 40 | – | – |
| December | 38 | – | – |
| Year to date (Jan–Jul) | 232 | 367 | ▲ 58.2% |
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 | 91.7% | 76.1% | ▼ 17.0% |
| February | 50.0% | 76.2% | ▲ 52.4% |
| March | 71.7% | 55.6% | ▼ 22.5% |
| April | 75.0% | 81.1% | ▲ 8.2% |
| May | 80.0% | 82.7% | ▲ 3.4% |
| June | 88.5% | 79.2% | ▼ 10.5% |
| July | 80.7% | 62.0% | ▼ 23.1% |
| August | 87.0% | – | – |
| September | 90.0% | – | – |
| October | 93.3% | – | in progress |
| November | 77.5% | – | – |
| December | 70.3% | – | – |
| Year-to-date average (Jan–Jul) | 76.8% | 73.3% | ▼ 4.6% |
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 | 6 | 3 | ▼ 50.0% |
| February | 6 | 2 | ▼ 66.7% |
| March | 1 | 10 | ▲ 900.0% |
| April | 2 | 0 | ▼ 100.0% |
| May | 0 | 0 | – |
| June | 0 | 8 | – |
| July | 0 | 8 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 1 | – | – |
| Year to date (Jan–Jul) | 15 | 31 | ▲ 106.7% |
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 94.4% 824
- Cancelled 5.6% 49
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
9Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 40 | 40 | 77.5% | 0 |
| November 2024 | 27 | 27 | 96.3% | 0 |
| December 2024 | 46 | 44 | 84.1% | 2 |
| January 2025 | 54 | 48 | 91.7% | 6 |
| February 2025 | 52 | 46 | 50.0% | 6 |
| March 2025 | 54 | 53 | 71.7% | 1 |
| April 2025 | 10 | 8 | 75.0% | 2 |
| May 2025 | 5 | 5 | 80.0% | 0 |
| June 2025 | 26 | 26 | 88.5% | 0 |
| July 2025 | 31 | 31 | 80.7% | 0 |
| August 2025 | 23 | 23 | 87.0% | 0 |
| September 2025 | 30 | 30 | 90.0% | 0 |
| October 2025 | 30 | 30 | 93.3% | 0 |
| November 2025 | 40 | 40 | 77.5% | 0 |
| December 2025 | 38 | 37 | 70.3% | 1 |
| January 2026 | 49 | 46 | 76.1% | 3 |
| February 2026 | 44 | 42 | 76.2% | 2 |
| March 2026 | 55 | 45 | 55.6% | 10 |
| April 2026 | 53 | 53 | 81.1% | 0 |
| May 2026 | 52 | 52 | 82.7% | 0 |
| June 2026 | 56 | 48 | 79.2% | 8 |
| July 2026 | 58 | 50 | 62.0% | 8 |