YX4428
YX4428 (Republic Airways) is a multi-stop service on 25 routes, busiest Nashville to Philadelphia. Of 748 departures recorded from October 2024 to July 2026, 79.0% left on time, according to the US BTS.
- On-time departures79.0%of 748 flights
- Average delay10.3 min
- July 202658▲ 11.5%vs July 2025
- Cancelled2.0%
- Legs flown under this number25
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 | 26 | 15 | ▼ 42.3% |
| February | 44 | 28 | ▼ 36.4% |
| March | 36 | 31 | ▼ 13.9% |
| April | 26 | 23 | ▼ 11.5% |
| May | 26 | 40 | ▲ 53.8% |
| June | 48 | 56 | ▲ 16.7% |
| July | 52 | 58 | ▲ 11.5% |
| August | 60 | – | – |
| September | 32 | – | – |
| October | 31 | – | in progress |
| November | 7 | – | – |
| December | 45 | – | – |
| Year to date (Jan–Jul) | 258 | 251 | ▼ 2.7% |
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 | 84.0% | 73.3% | ▼ 12.7% |
| February | 86.4% | 84.6% | ▼ 2.0% |
| March | 78.8% | 77.4% | ▼ 1.7% |
| April | 69.2% | 87.0% | ▲ 25.6% |
| May | 42.3% | 87.2% | ▲ 106.1% |
| June | 87.5% | 91.1% | ▲ 4.1% |
| July | 73.1% | 68.6% | ▼ 6.1% |
| August | 81.7% | – | – |
| September | 81.3% | – | – |
| October | 87.1% | – | in progress |
| November | 83.3% | – | – |
| December | 64.4% | – | – |
| Year-to-date average (Jan–Jul) | 74.5% | 81.3% | ▲ 9.2% |
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 | 1 | 0 | ▼ 100.0% |
| February | 0 | 2 | – |
| March | 3 | 0 | ▼ 100.0% |
| April | 0 | 0 | – |
| May | 0 | 1 | – |
| June | 0 | 0 | – |
| July | 0 | 7 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 1 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 4 | 10 | ▲ 150.0% |
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 98.0% 733
- Cancelled 2.0% 15
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
10Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 20 | 20 | 90.0% | 0 |
| November 2024 | 25 | 25 | 80.0% | 0 |
| December 2024 | 19 | 19 | 73.7% | 0 |
| January 2025 | 26 | 25 | 84.0% | 1 |
| February 2025 | 44 | 44 | 86.4% | 0 |
| March 2025 | 36 | 33 | 78.8% | 3 |
| April 2025 | 26 | 26 | 69.2% | 0 |
| May 2025 | 26 | 26 | 42.3% | 0 |
| June 2025 | 48 | 48 | 87.5% | 0 |
| July 2025 | 52 | 52 | 73.1% | 0 |
| August 2025 | 60 | 60 | 81.7% | 0 |
| September 2025 | 32 | 32 | 81.3% | 0 |
| October 2025 | 31 | 31 | 87.1% | 0 |
| November 2025 | 7 | 6 | 83.3% | 1 |
| December 2025 | 45 | 45 | 64.4% | 0 |
| January 2026 | 15 | 15 | 73.3% | 0 |
| February 2026 | 28 | 26 | 84.6% | 2 |
| March 2026 | 31 | 31 | 77.4% | 0 |
| April 2026 | 23 | 23 | 87.0% | 0 |
| May 2026 | 40 | 39 | 87.2% | 1 |
| June 2026 | 56 | 56 | 91.1% | 0 |
| July 2026 | 58 | 51 | 68.6% | 7 |