YX4434
YX4434 (Republic Airways) is a multi-stop service on 33 routes, busiest Indianapolis to Washington. Of 596 departures recorded from October 2024 to July 2026, 81.6% left on time, according to the US BTS.
- On-time departures81.6%of 596 flights
- Average delay8.8 min
- July 202629▲ 262.5%vs July 2025
- Cancelled2.5%
- Legs flown under this number33
according to the US BTS · Oct 13, 2024 → Jul 31, 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 | 6 | 31 | ▲ 416.7% |
| February | 22 | 28 | ▲ 27.3% |
| March | 28 | 55 | ▲ 96.4% |
| April | 44 | 55 | ▲ 25.0% |
| May | 11 | 48 | ▲ 336.4% |
| June | 20 | 30 | ▲ 50.0% |
| July | 8 | 29 | ▲ 262.5% |
| August | 32 | – | – |
| September | 30 | – | – |
| October | 30 | – | in progress |
| November | 8 | – | – |
| December | 26 | – | – |
| Year to date (Jan–Jul) | 139 | 276 | ▲ 98.6% |
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 | 80.0% | 78.6% | ▼ 1.8% |
| February | 70.0% | 88.5% | ▲ 26.4% |
| March | 77.8% | 61.8% | ▼ 20.5% |
| April | 86.4% | 85.5% | ▼ 1.1% |
| May | 81.8% | 84.8% | ▲ 3.6% |
| June | 79.0% | 93.3% | ▲ 18.2% |
| July | 100.0% | 92.9% | ▼ 7.1% |
| August | 64.5% | – | – |
| September | 86.7% | – | – |
| October | 86.7% | – | in progress |
| November | 50.0% | – | – |
| December | 80.0% | – | – |
| Year-to-date average (Jan–Jul) | 82.1% | 83.6% | ▲ 1.8% |
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 | 1 | 3 | ▲ 200.0% |
| February | 2 | 2 | 0.0% |
| March | 1 | 0 | ▼ 100.0% |
| April | 0 | 0 | – |
| May | 0 | 2 | – |
| June | 1 | 0 | ▼ 100.0% |
| July | 0 | 1 | – |
| August | 1 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 1 | – | – |
| Year to date (Jan–Jul) | 5 | 8 | ▲ 60.0% |
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 97.5% 581
- Cancelled 2.5% 15
Share of all recorded flights in the period, all legs. · Oct 13, 2024 → Jul 31, 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 |
|---|---|---|---|---|
| IND DCA Indianapolis International Airport – Ronald Reagan Washington National Airport | 802 | -0.7 min | 91.3% | 70 |
| LGA MSN LaGuardia Airport – Dane County Regional Truax Field | 1,304 | 6.9 min | 80.4% | 61 |
| ORD ROC Chicago O'Hare International Airport – Frederick Douglass Greater Rochester International Airport | 847 | 3.8 min | 86.4% | 59 |
| CMH PHL John Glenn Columbus International Airport – Philadelphia International Airport | 652 | -0.1 min | 93.6% | 47 |
| LGA DTW LaGuardia Airport – Detroit Metropolitan Wayne County Airport | 805 | 8.1 min | 88.4% | 43 |
| DCA CHS Ronald Reagan Washington National Airport – Charleston International Airport | 715 | 25.7 min | 70.0% | 43 |
| DTW LGA Detroit Metropolitan Wayne County Airport – LaGuardia Airport | 805 | 0.7 min | 85.7% | 37 |
| JFK CLE John F. Kennedy International Airport – Cleveland Hopkins International Airport | 682 | 11.5 min | 70.0% | 30 |
| CLE JFK Cleveland Hopkins International Airport – John F. Kennedy International Airport | 682 | 35.5 min | 56.7% | 30 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 17 | 17 | 88.2% | 0 |
| November 2024 | 26 | 26 | 96.2% | 0 |
| December 2024 | 12 | 12 | 83.3% | 0 |
| January 2025 | 6 | 5 | 80.0% | 1 |
| February 2025 | 22 | 20 | 70.0% | 2 |
| March 2025 | 28 | 27 | 77.8% | 1 |
| April 2025 | 44 | 44 | 86.4% | 0 |
| May 2025 | 11 | 11 | 81.8% | 0 |
| June 2025 | 20 | 19 | 79.0% | 1 |
| July 2025 | 8 | 8 | 100.0% | 0 |
| August 2025 | 32 | 31 | 64.5% | 1 |
| September 2025 | 30 | 30 | 86.7% | 0 |
| October 2025 | 30 | 30 | 86.7% | 0 |
| November 2025 | 8 | 8 | 50.0% | 0 |
| December 2025 | 26 | 25 | 80.0% | 1 |
| January 2026 | 31 | 28 | 78.6% | 3 |
| February 2026 | 28 | 26 | 88.5% | 2 |
| March 2026 | 55 | 55 | 61.8% | 0 |
| April 2026 | 55 | 55 | 85.5% | 0 |
| May 2026 | 48 | 46 | 84.8% | 2 |
| June 2026 | 30 | 30 | 93.3% | 0 |
| July 2026 | 29 | 28 | 92.9% | 1 |