YX4528
YX4528 (Republic Airways) is a multi-stop service on 25 routes, busiest Washington to New York. Of 431 departures recorded from October 2024 to July 2026, 85.1% left on time, according to the US BTS.
- On-time departures85.1%of 431 flights
- Average delay8.6 min
- July 202620▼ 9.1%vs July 2025
- Cancelled4.9%
- Legs flown under this number25
Recorded departures by month
All legs under this number combined; see the leg table.
Months without data are left blank.
The most recent periods18 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | 30 | 26 | ▼ 13.3% |
| February | 12 | 42 | ▲ 250.0% |
| March | 2 | 37 | ▲ 1,750.0% |
| April | 26 | 6 | ▼ 76.9% |
| May | 5 | – | – |
| June | 17 | 8 | ▼ 52.9% |
| July | 22 | 20 | ▼ 9.1% |
| August | 4 | – | – |
| September | 27 | – | – |
| October | 30 | – | in progress |
| November | 39 | – | – |
| December | 17 | – | – |
according to the US BTS · October 2024 → July 2026
On-time departures by month
Months without data are left blank.
On time = departure within 15 minutes of schedule. Non-cancelled flights with a recorded delay only.
The most recent periods18 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | 88.5% | 87.0% | ▼ 1.7% |
| February | 90.9% | 78.4% | ▼ 13.8% |
| March | 100.0% | 75.0% | ▼ 25.0% |
| April | 100.0% | 60.0% | ▼ 40.0% |
| May | 100.0% | – | – |
| June | 82.4% | 100.0% | ▲ 21.4% |
| July | 95.5% | 85.0% | ▼ 10.9% |
| August | 75.0% | – | – |
| September | 96.3% | – | – |
| October | 80.0% | – | in progress |
| November | 73.7% | – | – |
| December | 68.8% | – | – |
according to the US BTS · October 2024 → July 2026
Average departure delay by month
Months without data are left blank.
according to the US BTS · October 2024 → July 2026
Cancelled departures by month
Months without data are left blank.
The most recent periods18 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 4 | 3 | ▼ 25.0% |
| February | 1 | 5 | ▲ 400.0% |
| March | 0 | 5 | – |
| April | 0 | 1 | – |
| May | 0 | – | – |
| June | 0 | 0 | – |
| July | 0 | 0 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 1 | – | – |
| December | 1 | – | – |
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 95.1% 410
- Cancelled 4.9% 21
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
5| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| DCA LGA Ronald Reagan Washington National Airport – LaGuardia Airport | 345 | 20.3 min | 90.5% | 42 |
| ORD MSY Chicago O'Hare International Airport – Louis Armstrong New Orleans International Airport | 1,349 | 7.2 min | 86.2% | 33 |
| ORF ORD Norfolk International Airport – Chicago O'Hare International Airport | 1,152 | -2.2 min | 96.9% | 32 |
| CHS DCA Charleston International Airport – Ronald Reagan Washington National Airport | 715 | 19.6 min | 86.2% | 31 |
| ORD TVC Chicago O'Hare International Airport – Cherry Capital Airport | 360 | 45.8 min | 62.5% | 30 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 38 | 38 | 89.5% | 0 |
| November 2024 | 10 | 10 | 100.0% | 0 |
| December 2024 | 13 | 13 | 84.6% | 0 |
| January 2025 | 30 | 26 | 88.5% | 4 |
| February 2025 | 12 | 11 | 90.9% | 1 |
| March 2025 | 2 | 2 | 100.0% | 0 |
| April 2025 | 26 | 26 | 100.0% | 0 |
| May 2025 | 5 | 5 | 100.0% | 0 |
| June 2025 | 17 | 17 | 82.4% | 0 |
| July 2025 | 22 | 22 | 95.5% | 0 |
| August 2025 | 4 | 4 | 75.0% | 0 |
| September 2025 | 27 | 27 | 96.3% | 0 |
| October 2025 | 30 | 30 | 80.0% | 0 |
| November 2025 | 39 | 38 | 73.7% | 1 |
| December 2025 | 17 | 16 | 68.8% | 1 |
| January 2026 | 26 | 23 | 87.0% | 3 |
| February 2026 | 42 | 37 | 78.4% | 5 |
| March 2026 | 37 | 32 | 75.0% | 5 |
| April 2026 | 6 | 5 | 60.0% | 1 |
| June 2026 | 8 | 8 | 100.0% | 0 |
| July 2026 | 20 | 20 | 85.0% | 0 |