YX4548
YX4548 (Republic Airways) is a multi-stop service on 25 routes, busiest Indianapolis to Philadelphia. Of 505 departures recorded from October 2024 to July 2026, 79.4% left on time, according to the US BTS.
- On-time departures79.4%of 505 flights
- Average delay8.9 min
- July 20265▼ 85.3%vs July 2025
- Cancelled3.0%
- Legs flown under this number25
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 | 13 | 6 | ▼ 53.8% |
| February | 4 | 17 | ▲ 325.0% |
| March | 27 | 55 | ▲ 103.7% |
| April | 21 | 12 | ▼ 42.9% |
| May | 31 | 2 | ▼ 93.5% |
| June | 56 | 4 | ▼ 92.9% |
| July | 34 | 5 | ▼ 85.3% |
| August | 5 | – | – |
| September | 52 | – | – |
| October | 37 | – | in progress |
| November | 1 | – | – |
| December | 4 | – | – |
| Year to date (Jan–Jul) | 186 | 101 | ▼ 45.7% |
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 | 81.8% | 83.3% | ▲ 1.8% |
| February | 50.0% | 100.0% | ▲ 100.0% |
| March | 50.0% | 74.5% | ▲ 49.0% |
| April | 81.0% | 66.7% | ▼ 17.6% |
| May | 60.0% | 100.0% | ▲ 66.7% |
| June | 73.2% | 66.7% | ▼ 8.9% |
| July | 93.9% | 60.0% | ▼ 36.1% |
| August | 75.0% | – | – |
| September | 84.6% | – | – |
| October | 71.4% | – | in progress |
| November | 100.0% | – | – |
| December | 0.0% | – | – |
| Year-to-date average (Jan–Jul) | 70.0% | 78.7% | ▲ 12.5% |
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 | 2 | 0 | ▼ 100.0% |
| February | 0 | 0 | – |
| March | 1 | 4 | ▲ 300.0% |
| April | 0 | 0 | – |
| May | 1 | 0 | ▼ 100.0% |
| June | 0 | 1 | – |
| July | 1 | 0 | ▼ 100.0% |
| August | 1 | – | – |
| September | 0 | – | – |
| October | 2 | – | in progress |
| November | 0 | – | – |
| December | 2 | – | – |
| Year to date (Jan–Jul) | 5 | 5 | 0.0% |
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 97.0% 490
- Cancelled 3.0% 15
Share of all recorded flights in the period, all legs. · Oct 13, 2024 → Jul 25, 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 |
|---|---|---|---|---|
| IND PHL Indianapolis International Airport – Philadelphia International Airport | 944 | 16.1 min | 69.2% | 53 |
| CHS LGA Charleston International Airport – LaGuardia Airport | 1,033 | 15.8 min | 78.8% | 33 |
| SYR PHL Syracuse Hancock International Airport – Philadelphia International Airport | 367 | 6.7 min | 90.0% | 31 |
| XNA LGA Northwest Arkansas National Airport – LaGuardia Airport | 1,842 | 22.1 min | 59.3% | 30 |
| LGA XNA LaGuardia Airport – Northwest Arkansas National Airport | 1,842 | 5.9 min | 82.8% | 30 |
| DCA BOS Ronald Reagan Washington National Airport – Boston Logan International Airport | 641 | 8.7 min | 79.3% | 30 |
| BOS DCA Boston Logan International Airport – Ronald Reagan Washington National Airport | 641 | 7.6 min | 73.3% | 30 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 20 | 20 | 85.0% | 0 |
| November 2024 | 46 | 46 | 93.5% | 0 |
| December 2024 | 53 | 53 | 94.3% | 0 |
| January 2025 | 13 | 11 | 81.8% | 2 |
| February 2025 | 4 | 4 | 50.0% | 0 |
| March 2025 | 27 | 26 | 50.0% | 1 |
| April 2025 | 21 | 21 | 81.0% | 0 |
| May 2025 | 31 | 30 | 60.0% | 1 |
| June 2025 | 56 | 56 | 73.2% | 0 |
| July 2025 | 34 | 33 | 93.9% | 1 |
| August 2025 | 5 | 4 | 75.0% | 1 |
| September 2025 | 52 | 52 | 84.6% | 0 |
| October 2025 | 37 | 35 | 71.4% | 2 |
| November 2025 | 1 | 1 | 100.0% | 0 |
| December 2025 | 4 | 2 | 0.0% | 2 |
| January 2026 | 6 | 6 | 83.3% | 0 |
| February 2026 | 17 | 17 | 100.0% | 0 |
| March 2026 | 55 | 51 | 74.5% | 4 |
| April 2026 | 12 | 12 | 66.7% | 0 |
| May 2026 | 2 | 2 | 100.0% | 0 |
| June 2026 | 4 | 3 | 66.7% | 1 |
| July 2026 | 5 | 5 | 60.0% | 0 |