YX4547
YX4547 (Republic Airways) is a multi-stop service on 30 routes, busiest Chicago to Kansas City. Of 532 departures recorded from October 2024 to July 2026, 84.0% left on time, according to the US BTS.
- On-time departures84.0%of 532 flights
- Average delay8.5 min
- July 20264▲ 0.0%vs July 2025
- Cancelled3.6%
- Legs flown under this number30
according to the US BTS · Oct 12, 2024 → Jul 25, 2026 domestic flights only
Recorded departures by month
Partial coverage: domestic flights only · 22 of 22 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 | 17 | 32 | ▲ 88.2% |
| February | 26 | 16 | ▼ 38.5% |
| March | 55 | 23 | ▼ 58.2% |
| April | 30 | 4 | ▼ 86.7% |
| May | 31 | 6 | ▼ 80.6% |
| June | 25 | 22 | ▼ 12.0% |
| July | 4 | 4 | 0.0% |
| August | 34 | – | – |
| September | 54 | – | – |
| October | 9 | – | in progress |
| November | 39 | – | – |
| December | 45 | – | – |
| Year to date (Jan–Jul) | 188 | 107 | ▼ 43.1% |
according to the US BTS · October 2024 → July 2026
On-time departures by month
Partial coverage: domestic flights only · 22 of 22 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 | 86.7% | 89.7% | ▲ 3.4% |
| February | 88.5% | 100.0% | ▲ 13.0% |
| March | 98.2% | 64.7% | ▼ 34.1% |
| April | 90.0% | 0.0% | ▼ 100.0% |
| May | 83.9% | 83.3% | ▼ 0.6% |
| June | 87.5% | 72.7% | ▼ 16.9% |
| July | 100.0% | 75.0% | ▼ 25.0% |
| August | 66.7% | – | – |
| September | 73.1% | – | – |
| October | 100.0% | – | in progress |
| November | 87.2% | – | – |
| December | 68.9% | – | – |
| Year-to-date average (Jan–Jul) | 90.7% | 69.3% | ▼ 23.5% |
according to the US BTS · October 2024 → July 2026
Average departure delay by month
Partial coverage: domestic flights only · 22 of 22 periods have data
according to the US BTS · October 2024 → July 2026
Cancelled departures by month
Partial coverage: domestic flights only · 22 of 22 periods have data
The most recent periods19 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 2 | 3 | ▲ 50.0% |
| February | 0 | 1 | – |
| March | 0 | 6 | – |
| April | 0 | 1 | – |
| May | 0 | 0 | – |
| June | 1 | 0 | ▼ 100.0% |
| July | 0 | 0 | – |
| August | 1 | – | – |
| September | 2 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 3 | 11 | ▲ 266.7% |
according to the US BTS · October 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 96.4% 513
- Cancelled 3.6% 19
Share of all recorded flights in the period, all legs. · Oct 12, 2024 → Jul 25, 2026
On time, leg by leg
Departures within 15 minutes of schedule; small figure = departures recorded.
Legs flown under this number
99 of 9
| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| ORD MCI Chicago O'Hare International Airport – Kansas City International Airport | 647 | 4.6 min | 86.7% | 61 |
| MCI ORD Kansas City International Airport – Chicago O'Hare International Airport | 647 | 7.5 min | 83.3% | 61 |
| ORD PIT Chicago O'Hare International Airport – Pittsburgh International Airport | 662 | 0.7 min | 95.0% | 40 |
| LGA ATL LaGuardia Airport – Hartsfield Jackson Atlanta International Airport | 1,225 | 10.0 min | 80.6% | 37 |
| PIT ORD Pittsburgh International Airport – Chicago O'Hare International Airport | 662 | -3.5 min | 94.3% | 35 |
| RDU ORD Raleigh-Durham International Airport – Chicago O'Hare International Airport | 1,039 | 4.8 min | 92.9% | 32 |
| ATL LGA Hartsfield Jackson Atlanta International Airport – LaGuardia Airport | 1,225 | 9.4 min | 77.4% | 32 |
| PIT DCA Pittsburgh International Airport – Ronald Reagan Washington National Airport | 329 | 0.9 min | 93.6% | 31 |
| ORD PVD Chicago O'Hare International Airport – Rhode Island T. F. Green International Airport | 1,363 | 4.0 min | 83.9% | 31 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 3 | 3 | 100.0% | 0 |
| November 2024 | 31 | 29 | 100.0% | 2 |
| December 2024 | 22 | 22 | 95.5% | 0 |
| January 2025 | 17 | 15 | 86.7% | 2 |
| February 2025 | 26 | 26 | 88.5% | 0 |
| March 2025 | 55 | 55 | 98.2% | 0 |
| April 2025 | 30 | 30 | 90.0% | 0 |
| May 2025 | 31 | 31 | 83.9% | 0 |
| June 2025 | 25 | 24 | 87.5% | 1 |
| July 2025 | 4 | 4 | 100.0% | 0 |
| August 2025 | 34 | 33 | 66.7% | 1 |
| September 2025 | 54 | 52 | 73.1% | 2 |
| October 2025 | 9 | 9 | 100.0% | 0 |
| November 2025 | 39 | 39 | 87.2% | 0 |
| December 2025 | 45 | 45 | 68.9% | 0 |
| January 2026 | 32 | 29 | 89.7% | 3 |
| February 2026 | 16 | 15 | 100.0% | 1 |
| March 2026 | 23 | 17 | 64.7% | 6 |
| April 2026 | 4 | 3 | 0.0% | 1 |
| May 2026 | 6 | 6 | 83.3% | 0 |
| June 2026 | 22 | 22 | 72.7% | 0 |
| July 2026 | 4 | 4 | 75.0% | 0 |