YX4569
YX4569 (Republic Airways) is a multi-stop service on 20 routes, busiest Indianapolis to Boston. Of 603 departures recorded from October 2024 to July 2026, 77.0% left on time, according to the US BTS.
- On-time departures77.0%of 603 flights
- Average delay13.0 min
- July 202631▼ 46.6%vs July 2025
- Cancelled2.7%
- Legs flown under this number20
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 | 8 | 30 | ▲ 275.0% |
| February | 2 | 28 | ▲ 1,300.0% |
| March | 31 | 28 | ▼ 9.7% |
| April | 22 | 26 | ▲ 18.2% |
| May | 30 | 28 | ▼ 6.7% |
| June | 26 | 30 | ▲ 15.4% |
| July | 58 | 31 | ▼ 46.6% |
| August | 13 | – | – |
| September | 45 | – | – |
| October | 33 | – | in progress |
| November | 29 | – | – |
| December | 31 | – | – |
| Year to date (Jan–Jul) | 177 | 201 | ▲ 13.6% |
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 | 75.0% | 88.5% | ▲ 17.9% |
| February | 100.0% | 84.0% | ▼ 16.0% |
| March | 87.1% | 61.5% | ▼ 29.3% |
| April | 77.3% | 76.9% | ▼ 0.5% |
| May | 46.7% | 85.7% | ▲ 83.7% |
| June | 80.8% | 78.6% | ▼ 2.7% |
| July | 70.7% | 66.7% | ▼ 5.7% |
| August | 92.3% | – | – |
| September | 86.4% | – | – |
| October | 59.4% | – | in progress |
| November | 85.7% | – | – |
| December | 64.5% | – | – |
| Year-to-date average (Jan–Jul) | 76.8% | 77.4% | ▲ 0.8% |
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 | 0 | 3 | – |
| March | 0 | 2 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | 2 | – |
| July | 0 | 1 | – |
| August | 0 | – | – |
| September | 1 | – | – |
| October | 1 | – | in progress |
| November | 1 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 0 | 12 |
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% 587
- Cancelled 2.7% 16
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 BOS Indianapolis International Airport – Boston Logan International Airport | 1,313 | 16.0 min | 72.9% | 206 |
| ORD PIT Chicago O'Hare International Airport – Pittsburgh International Airport | 662 | 19.6 min | 73.9% | 72 |
| DCA CHS Ronald Reagan Washington National Airport – Charleston International Airport | 715 | 9.4 min | 75.9% | 58 |
| LGA BOS LaGuardia Airport – Boston Logan International Airport | 296 | 2.9 min | 86.8% | 38 |
| AUS ORD Austin Bergstrom International Airport – Chicago O'Hare International Airport | 1,574 | 4.6 min | 90.6% | 36 |
| CHS DCA Charleston International Airport – Ronald Reagan Washington National Airport | 715 | 25.7 min | 71.9% | 32 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 20 | 20 | 95.0% | 0 |
| November 2024 | 28 | 28 | 82.1% | 0 |
| December 2024 | 26 | 25 | 92.0% | 1 |
| January 2025 | 8 | 8 | 75.0% | 0 |
| February 2025 | 2 | 2 | 100.0% | 0 |
| March 2025 | 31 | 31 | 87.1% | 0 |
| April 2025 | 22 | 22 | 77.3% | 0 |
| May 2025 | 30 | 30 | 46.7% | 0 |
| June 2025 | 26 | 26 | 80.8% | 0 |
| July 2025 | 58 | 58 | 70.7% | 0 |
| August 2025 | 13 | 13 | 92.3% | 0 |
| September 2025 | 45 | 44 | 86.4% | 1 |
| October 2025 | 33 | 32 | 59.4% | 1 |
| November 2025 | 29 | 28 | 85.7% | 1 |
| December 2025 | 31 | 31 | 64.5% | 0 |
| January 2026 | 30 | 26 | 88.5% | 4 |
| February 2026 | 28 | 25 | 84.0% | 3 |
| March 2026 | 28 | 26 | 61.5% | 2 |
| April 2026 | 26 | 26 | 76.9% | 0 |
| May 2026 | 28 | 28 | 85.7% | 0 |
| June 2026 | 30 | 28 | 78.6% | 2 |
| July 2026 | 31 | 30 | 66.7% | 1 |