YX4594
YX4594 (Republic Airways) is a multi-stop service on 19 routes, busiest Chicago to Indianapolis. Of 624 departures recorded from November 2024 to July 2026, 80.2% left on time, according to the US BTS.
- On-time departures80.2%of 624 flights
- Average delay12.4 min
- July 202631▲ 3.3%vs July 2025
- Cancelled4.3%
- Legs flown under this number19
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 | 31 | 31 | 0.0% |
| February | 28 | 28 | 0.0% |
| March | 31 | 31 | 0.0% |
| April | 26 | 6 | ▼ 76.9% |
| May | 30 | 11 | ▼ 63.3% |
| June | 30 | 30 | 0.0% |
| July | 30 | 31 | ▲ 3.3% |
| August | 49 | – | – |
| September | 56 | – | – |
| October | 35 | – | in progress |
| November | 42 | – | – |
| December | 39 | – | – |
| Year to date (Jan–Jul) | 206 | 168 | ▼ 18.4% |
according to the US BTS · November 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 | 93.6% | 78.6% | ▼ 16.0% |
| February | 100.0% | 84.6% | ▼ 15.4% |
| March | 96.8% | 82.1% | ▼ 15.1% |
| April | 69.2% | 83.3% | ▲ 20.4% |
| May | 65.5% | 90.9% | ▲ 38.8% |
| June | 63.3% | 71.4% | ▲ 12.8% |
| July | 53.9% | 82.1% | ▲ 52.5% |
| August | 81.6% | – | – |
| September | 85.7% | – | – |
| October | 72.7% | – | in progress |
| November | 79.0% | – | – |
| December | 79.5% | – | – |
| Year-to-date average (Jan–Jul) | 77.5% | 81.9% | ▲ 5.7% |
according to the US BTS · November 2024 → July 2026
Average departure delay by month
according to the US BTS · November 2024 → July 2026
Cancelled departures by month
The most recent periods19 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 0 | 3 | – |
| February | 2 | 2 | 0.0% |
| March | 0 | 3 | – |
| April | 0 | 0 | – |
| May | 1 | 0 | ▼ 100.0% |
| June | 0 | 2 | – |
| July | 4 | 3 | ▼ 25.0% |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 2 | – | in progress |
| November | 4 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 7 | 13 | ▲ 85.7% |
according to the US BTS · November 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 95.7% 597
- Cancelled 4.3% 27
Share of all recorded flights in the period, all legs. · Nov 23, 2024 → Jul 31, 2026
On time, leg by leg
Departures within 15 minutes of schedule; small figure = departures recorded.
Legs flown under this number
8| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| ORD IND Chicago O'Hare International Airport – Indianapolis International Airport | 286 | 26.2 min | 69.4% | 133 |
| PHL LGA Philadelphia International Airport – LaGuardia Airport | 154 | -2.8 min | 95.7% | 118 |
| CHS PHL Charleston International Airport – Philadelphia International Airport | 886 | 21.7 min | 64.3% | 57 |
| DCA RDU Ronald Reagan Washington National Airport – Raleigh-Durham International Airport | 365 | 8.9 min | 77.8% | 39 |
| PHL BOS Philadelphia International Airport – Boston Logan International Airport | 450 | 9.8 min | 87.9% | 35 |
| BOS PHL Boston Logan International Airport – Philadelphia International Airport | 450 | 17.9 min | 74.2% | 33 |
| ATL LGA Hartsfield Jackson Atlanta International Airport – LaGuardia Airport | 1,225 | 12.6 min | 84.9% | 33 |
| MSN LGA Dane County Regional Truax Field – LaGuardia Airport | 1,304 | 9.7 min | 81.5% | 30 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| November 2024 | 4 | 4 | 100.0% | 0 |
| December 2024 | 25 | 24 | 91.7% | 1 |
| January 2025 | 31 | 31 | 93.6% | 0 |
| February 2025 | 28 | 26 | 100.0% | 2 |
| March 2025 | 31 | 31 | 96.8% | 0 |
| April 2025 | 26 | 26 | 69.2% | 0 |
| May 2025 | 30 | 29 | 65.5% | 1 |
| June 2025 | 30 | 30 | 63.3% | 0 |
| July 2025 | 30 | 26 | 53.9% | 4 |
| August 2025 | 49 | 49 | 81.6% | 0 |
| September 2025 | 56 | 56 | 85.7% | 0 |
| October 2025 | 35 | 33 | 72.7% | 2 |
| November 2025 | 42 | 38 | 79.0% | 4 |
| December 2025 | 39 | 39 | 79.5% | 0 |
| January 2026 | 31 | 28 | 78.6% | 3 |
| February 2026 | 28 | 26 | 84.6% | 2 |
| March 2026 | 31 | 28 | 82.1% | 3 |
| April 2026 | 6 | 6 | 83.3% | 0 |
| May 2026 | 11 | 11 | 90.9% | 0 |
| June 2026 | 30 | 28 | 71.4% | 2 |
| July 2026 | 31 | 28 | 82.1% | 3 |