YX4489
YX4489 (Republic Airways) is a multi-stop service on 9 routes, busiest Indianapolis to Philadelphia. Of 708 departures recorded from October 2024 to July 2026, 89.8% left on time, according to the US BTS.
- On-time departures89.8%of 708 flights
- Average delay6.5 min
- July 202631▼ 18.4%vs July 2025
- Cancelled2.1%
- Legs flown under this number9
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 | 27 | 31 | ▲ 14.8% |
| March | 31 | 35 | ▲ 12.9% |
| April | 30 | 31 | ▲ 3.3% |
| May | 31 | 31 | 0.0% |
| June | 40 | 30 | ▼ 25.0% |
| July | 38 | 31 | ▼ 18.4% |
| August | 44 | – | – |
| September | 60 | – | – |
| October | 32 | – | in progress |
| November | 29 | – | – |
| December | 16 | – | – |
| Year to date (Jan–Jul) | 228 | 220 | ▼ 3.5% |
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 | 86.7% | 93.1% | ▲ 7.4% |
| February | 92.3% | 93.1% | ▲ 0.9% |
| March | 96.8% | 85.7% | ▼ 11.4% |
| April | 93.3% | 87.1% | ▼ 6.7% |
| May | 93.6% | 83.9% | ▼ 10.3% |
| June | 73.0% | 93.3% | ▲ 27.9% |
| July | 84.9% | 87.1% | ▲ 2.7% |
| August | 88.4% | – | – |
| September | 93.3% | – | – |
| October | 90.6% | – | in progress |
| November | 96.6% | – | – |
| December | 87.5% | – | – |
| Year-to-date average (Jan–Jul) | 88.6% | 89.0% | ▲ 0.5% |
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 | 1 | 2 | ▲ 100.0% |
| February | 1 | 2 | ▲ 100.0% |
| March | 0 | 0 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 3 | 0 | ▼ 100.0% |
| July | 5 | 0 | ▼ 100.0% |
| August | 1 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 10 | 4 | ▼ 60.0% |
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% 693
- Cancelled 2.1% 15
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
6| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| IND PHL Indianapolis International Airport – Philadelphia International Airport | 944 | 0.6 min | 91.7% | 429 |
| RDU BNA Raleigh-Durham International Airport – Nashville International Airport | 710 | 13.5 min | 87.5% | 72 |
| LGA OMA LaGuardia Airport – Eppley Airfield | 1,843 | 6.5 min | 86.0% | 59 |
| OMA LGA Eppley Airfield – LaGuardia Airport | 1,843 | 53.0 min | 77.1% | 55 |
| ORD JFK Chicago O'Hare International Airport – John F. Kennedy International Airport | 1,188 | 18.1 min | 84.9% | 33 |
| JFK ORD John F. Kennedy International Airport – Chicago O'Hare International Airport | 1,188 | -3.6 min | 97.0% | 33 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 20 | 20 | 90.0% | 0 |
| November 2024 | 30 | 30 | 96.7% | 0 |
| December 2024 | 29 | 29 | 89.7% | 0 |
| January 2025 | 31 | 30 | 86.7% | 1 |
| February 2025 | 27 | 26 | 92.3% | 1 |
| March 2025 | 31 | 31 | 96.8% | 0 |
| April 2025 | 30 | 30 | 93.3% | 0 |
| May 2025 | 31 | 31 | 93.6% | 0 |
| June 2025 | 40 | 37 | 73.0% | 3 |
| July 2025 | 38 | 33 | 84.9% | 5 |
| August 2025 | 44 | 43 | 88.4% | 1 |
| September 2025 | 60 | 60 | 93.3% | 0 |
| October 2025 | 32 | 32 | 90.6% | 0 |
| November 2025 | 29 | 29 | 96.6% | 0 |
| December 2025 | 16 | 16 | 87.5% | 0 |
| January 2026 | 31 | 29 | 93.1% | 2 |
| February 2026 | 31 | 29 | 93.1% | 2 |
| March 2026 | 35 | 35 | 85.7% | 0 |
| April 2026 | 31 | 31 | 87.1% | 0 |
| May 2026 | 31 | 31 | 83.9% | 0 |
| June 2026 | 30 | 30 | 93.3% | 0 |
| July 2026 | 31 | 31 | 87.1% | 0 |