YX4385
YX4385 (Republic Airways) is a multi-stop service on 30 routes, busiest New York to Indianapolis. Of 702 departures recorded from October 2024 to July 2026, 86.8% left on time, according to the US BTS.
- On-time departures86.8%of 702 flights
- Average delay4.8 min
- July 202631▲ 0.0%vs July 2025
- Cancelled2.7%
- Legs flown under this number30
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 | 30 | 28 | ▼ 6.7% |
| February | 28 | 42 | ▲ 50.0% |
| March | 31 | 55 | ▲ 77.4% |
| April | 30 | 55 | ▲ 83.3% |
| May | 31 | 48 | ▲ 54.8% |
| June | 30 | 30 | 0.0% |
| July | 31 | 31 | 0.0% |
| August | 31 | – | – |
| September | 30 | – | – |
| October | 28 | – | in progress |
| November | 29 | – | – |
| December | 31 | – | – |
| Year to date (Jan–Jul) | 211 | 289 | ▲ 37.0% |
according to the US BTS · October 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 | 96.7% | 91.7% | ▼ 5.2% |
| February | 96.3% | 90.2% | ▼ 6.3% |
| March | 93.6% | 80.8% | ▼ 13.7% |
| April | 96.7% | 83.6% | ▼ 13.5% |
| May | 93.3% | 85.1% | ▼ 8.8% |
| June | 72.4% | 86.7% | ▲ 19.7% |
| July | 77.4% | 89.3% | ▲ 15.3% |
| August | 87.1% | – | – |
| September | 93.3% | – | – |
| October | 66.7% | – | in progress |
| November | 92.6% | – | – |
| December | 80.0% | – | – |
| Year-to-date average (Jan–Jul) | 89.5% | 86.8% | ▼ 3.0% |
according to the US BTS · October 2024 → July 2026
Average departure delay by month
according to the US BTS · October 2024 → July 2026
Cancelled departures by month
The most recent periods19 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 0 | 4 | – |
| February | 1 | 1 | 0.0% |
| March | 0 | 3 | – |
| April | 0 | 0 | – |
| May | 1 | 1 | 0.0% |
| June | 1 | 0 | ▼ 100.0% |
| July | 0 | 3 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 1 | – | in progress |
| November | 2 | – | – |
| December | 1 | – | – |
| Year to date (Jan–Jul) | 3 | 12 | ▲ 300.0% |
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 97.3% 683
- Cancelled 2.7% 19
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
7| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| JFK IND John F. Kennedy International Airport – Indianapolis International Airport | 1,067 | 6.0 min | 85.9% | 231 |
| LGA RDU LaGuardia Airport – Raleigh-Durham International Airport | 693 | -3.5 min | 96.6% | 66 |
| ORD MSN Chicago O'Hare International Airport – Dane County Regional Truax Field | 175 | 0.1 min | 93.3% | 46 |
| MSN ORD Dane County Regional Truax Field – Chicago O'Hare International Airport | 175 | 11.4 min | 72.7% | 46 |
| LGA BUF LaGuardia Airport – Buffalo Niagara International Airport | 469 | 7.6 min | 79.6% | 44 |
| BUF LGA Buffalo Niagara International Airport – LaGuardia Airport | 469 | 5.8 min | 86.5% | 38 |
| DCA PIT Ronald Reagan Washington National Airport – Pittsburgh International Airport | 329 | -4.9 min | 100.0% | 37 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 20 | 20 | 100.0% | 0 |
| November 2024 | 10 | 10 | 90.0% | 0 |
| December 2024 | 23 | 23 | 78.3% | 0 |
| January 2025 | 30 | 30 | 96.7% | 0 |
| February 2025 | 28 | 27 | 96.3% | 1 |
| March 2025 | 31 | 31 | 93.6% | 0 |
| April 2025 | 30 | 30 | 96.7% | 0 |
| May 2025 | 31 | 30 | 93.3% | 1 |
| June 2025 | 30 | 29 | 72.4% | 1 |
| July 2025 | 31 | 31 | 77.4% | 0 |
| August 2025 | 31 | 31 | 87.1% | 0 |
| September 2025 | 30 | 30 | 93.3% | 0 |
| October 2025 | 28 | 27 | 66.7% | 1 |
| November 2025 | 29 | 27 | 92.6% | 2 |
| December 2025 | 31 | 30 | 80.0% | 1 |
| January 2026 | 28 | 24 | 91.7% | 4 |
| February 2026 | 42 | 41 | 90.2% | 1 |
| March 2026 | 55 | 52 | 80.8% | 3 |
| April 2026 | 55 | 55 | 83.6% | 0 |
| May 2026 | 48 | 47 | 85.1% | 1 |
| June 2026 | 30 | 30 | 86.7% | 0 |
| July 2026 | 31 | 28 | 89.3% | 3 |