YX4563
YX4563 (Republic Airways) is a multi-stop service on 19 routes, busiest Raleigh to Chicago. Of 486 departures recorded from October 2024 to July 2026, 78.2% left on time, according to the US BTS.
- On-time departures78.2%of 486 flights
- Average delay17.2 min
- July 202631▲ 3.3%vs July 2025
- Cancelled2.1%
- Legs flown under this number19
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 | 8 | 24 | ▲ 200.0% |
| February | – | 28 | – |
| March | 24 | 28 | ▲ 16.7% |
| April | 8 | 29 | ▲ 262.5% |
| May | 29 | 31 | ▲ 6.9% |
| June | 30 | 30 | 0.0% |
| July | 30 | 31 | ▲ 3.3% |
| August | 21 | – | – |
| September | 22 | – | – |
| October | 27 | – | in progress |
| November | 8 | – | – |
| December | 29 | – | – |
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 | 100.0% | 83.3% | ▼ 16.7% |
| February | – | 82.1% | – |
| March | 91.7% | 56.0% | ▼ 38.9% |
| April | 100.0% | 89.7% | ▼ 10.3% |
| May | 75.0% | 93.3% | ▲ 24.4% |
| June | 46.7% | 82.1% | ▲ 76.0% |
| July | 55.2% | 56.7% | ▲ 2.7% |
| August | 65.0% | – | – |
| September | 86.4% | – | – |
| October | 85.2% | – | in progress |
| November | 100.0% | – | – |
| December | 79.3% | – | – |
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 | 0 | 0 | – |
| February | – | 0 | – |
| March | 0 | 3 | – |
| April | 0 | 0 | – |
| May | 1 | 1 | 0.0% |
| June | 0 | 2 | – |
| July | 1 | 1 | 0.0% |
| August | 1 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 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 97.9% 476
- Cancelled 2.1% 10
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
4| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| RDU ORD Raleigh-Durham International Airport – Chicago O'Hare International Airport | 1,039 | 20.3 min | 73.5% | 262 |
| MSN LGA Dane County Regional Truax Field – LaGuardia Airport | 1,304 | -3.5 min | 97.7% | 44 |
| TVC ORD Cherry Capital Airport – Chicago O'Hare International Airport | 360 | 26.1 min | 88.6% | 35 |
| RDU LGA Raleigh-Durham International Airport – LaGuardia Airport | 693 | 16.2 min | 76.7% | 31 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 20 | 20 | 90.0% | 0 |
| November 2024 | 5 | 5 | 100.0% | 0 |
| December 2024 | 24 | 24 | 95.8% | 0 |
| January 2025 | 8 | 8 | 100.0% | 0 |
| March 2025 | 24 | 24 | 91.7% | 0 |
| April 2025 | 8 | 8 | 100.0% | 0 |
| May 2025 | 29 | 28 | 75.0% | 1 |
| June 2025 | 30 | 30 | 46.7% | 0 |
| July 2025 | 30 | 29 | 55.2% | 1 |
| August 2025 | 21 | 20 | 65.0% | 1 |
| September 2025 | 22 | 22 | 86.4% | 0 |
| October 2025 | 27 | 27 | 85.2% | 0 |
| November 2025 | 8 | 8 | 100.0% | 0 |
| December 2025 | 29 | 29 | 79.3% | 0 |
| January 2026 | 24 | 24 | 83.3% | 0 |
| February 2026 | 28 | 28 | 82.1% | 0 |
| March 2026 | 28 | 25 | 56.0% | 3 |
| April 2026 | 29 | 29 | 89.7% | 0 |
| May 2026 | 31 | 30 | 93.3% | 1 |
| June 2026 | 30 | 28 | 82.1% | 2 |
| July 2026 | 31 | 30 | 56.7% | 1 |