YX4583
YX4583 (Republic Airways) is a multi-stop service on 23 routes, busiest Raleigh to Chicago. Of 693 departures recorded from November 2024 to July 2026, 79.6% left on time, according to the US BTS.
- On-time departures79.6%of 693 flights
- Average delay12.3 min
- July 202618▼ 30.8%vs July 2025
- Cancelled2.5%
- Legs flown under this number23
according to the US BTS · Nov 5, 2024 → Jul 30, 2026 domestic flights only
Recorded departures by month
Partial coverage: domestic flights only · 21 of 21 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 | 47 | 36 | ▼ 23.4% |
| February | 22 | 28 | ▲ 27.3% |
| March | 23 | 24 | ▲ 4.3% |
| April | 29 | 52 | ▲ 79.3% |
| May | 28 | 48 | ▲ 71.4% |
| June | 26 | 19 | ▼ 26.9% |
| July | 26 | 18 | ▼ 30.8% |
| August | 48 | – | – |
| September | 48 | – | – |
| October | 7 | – | in progress |
| November | 57 | – | – |
| December | 45 | – | – |
| Year to date (Jan–Jul) | 201 | 225 | ▲ 11.9% |
according to the US BTS · November 2024 → July 2026
On-time departures by month
Partial coverage: domestic flights only · 21 of 21 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 | 80.0% | 81.8% | ▲ 2.3% |
| February | 81.8% | 85.7% | ▲ 4.8% |
| March | 85.7% | 72.7% | ▼ 15.1% |
| April | 92.9% | 82.7% | ▼ 11.0% |
| May | 82.1% | 87.5% | ▲ 6.5% |
| June | 76.9% | 58.8% | ▼ 23.5% |
| July | 60.0% | 60.0% | 0.0% |
| August | 74.5% | – | – |
| September | 83.3% | – | – |
| October | 100.0% | – | in progress |
| November | 77.2% | – | – |
| December | 66.7% | – | – |
| Year-to-date average (Jan–Jul) | 79.9% | 75.6% | ▼ 5.4% |
according to the US BTS · November 2024 → July 2026
Average departure delay by month
Partial coverage: domestic flights only · 21 of 21 periods have data
according to the US BTS · November 2024 → July 2026
Cancelled departures by month
Partial coverage: domestic flights only · 21 of 21 periods have data
The most recent periods19 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 2 | 3 | ▲ 50.0% |
| February | 0 | 0 | – |
| March | 2 | 2 | 0.0% |
| April | 1 | 0 | ▼ 100.0% |
| May | 0 | 0 | – |
| June | 0 | 2 | – |
| July | 1 | 3 | ▲ 200.0% |
| August | 1 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 6 | 10 | ▲ 66.7% |
according to the US BTS · November 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 97.5% 676
- Cancelled 2.5% 17
Share of all recorded flights in the period, all legs. · Nov 5, 2024 → Jul 30, 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 |
|---|---|---|---|---|
| RDU ORD Raleigh-Durham International Airport – Chicago O'Hare International Airport | 1,039 | 14.5 min | 75.2% | 116 |
| LGA CHS LaGuardia Airport – Charleston International Airport | 1,033 | 25.9 min | 75.6% | 87 |
| ORD RDU Chicago O'Hare International Airport – Raleigh-Durham International Airport | 1,039 | 12.4 min | 83.1% | 78 |
| ORD MEM Chicago O'Hare International Airport – Frederick W. Smith International Airport | 792 | 16.6 min | 70.6% | 52 |
| CHS LGA Charleston International Airport – LaGuardia Airport | 1,033 | 10.4 min | 83.3% | 42 |
| ORD ATL Chicago O'Hare International Airport – Hartsfield Jackson Atlanta International Airport | 976 | 5.7 min | 80.7% | 32 |
| ATL ORD Hartsfield Jackson Atlanta International Airport – Chicago O'Hare International Airport | 976 | 5.5 min | 83.9% | 32 |
| DCA PIT Ronald Reagan Washington National Airport – Pittsburgh International Airport | 329 | 20.2 min | 80.7% | 31 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| November 2024 | 48 | 48 | 87.5% | 0 |
| December 2024 | 14 | 14 | 92.9% | 0 |
| January 2025 | 47 | 45 | 80.0% | 2 |
| February 2025 | 22 | 22 | 81.8% | 0 |
| March 2025 | 23 | 21 | 85.7% | 2 |
| April 2025 | 29 | 28 | 92.9% | 1 |
| May 2025 | 28 | 28 | 82.1% | 0 |
| June 2025 | 26 | 26 | 76.9% | 0 |
| July 2025 | 26 | 25 | 60.0% | 1 |
| August 2025 | 48 | 47 | 74.5% | 1 |
| September 2025 | 48 | 48 | 83.3% | 0 |
| October 2025 | 7 | 7 | 100.0% | 0 |
| November 2025 | 57 | 57 | 77.2% | 0 |
| December 2025 | 45 | 45 | 66.7% | 0 |
| January 2026 | 36 | 33 | 81.8% | 3 |
| February 2026 | 28 | 28 | 85.7% | 0 |
| March 2026 | 24 | 22 | 72.7% | 2 |
| April 2026 | 52 | 52 | 82.7% | 0 |
| May 2026 | 48 | 48 | 87.5% | 0 |
| June 2026 | 19 | 17 | 58.8% | 2 |
| July 2026 | 18 | 15 | 60.0% | 3 |