YX4474
YX4474 (Republic Airways) is a multi-stop service on 22 routes, busiest Boston to Philadelphia. Of 439 departures recorded from December 2024 to July 2026, 78.5% left on time, according to the US BTS.
- On-time departures78.5%of 439 flights
- Average delay14.1 min
- July 202622▼ 4.3%vs July 2025
- Cancelled4.6%
- Legs flown under this number22
Recorded departures by month
All legs under this number combined; see the leg table.
Months without data are left blank.
The most recent periods18 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | 24 | 53 | ▲ 120.8% |
| February | 40 | 38 | ▼ 5.0% |
| March | 30 | 31 | ▲ 3.3% |
| April | 30 | 7 | ▼ 76.7% |
| May | 31 | 2 | ▼ 93.5% |
| June | 22 | 2 | ▼ 90.9% |
| July | 23 | 22 | ▼ 4.3% |
| August | 25 | – | – |
| September | 2 | – | – |
| October | – | – | in progress |
| November | 22 | – | – |
| December | 25 | – | – |
| Year to date (Jan–Jul) | 200 | 155 | ▼ 22.5% |
according to the US BTS · December 2024 → July 2026
On-time departures by month
Months without data are left blank.
On time = departure within 15 minutes of schedule. Non-cancelled flights with a recorded delay only.
The most recent periods18 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | 91.7% | 76.0% | ▼ 17.1% |
| February | 63.9% | 88.9% | ▲ 39.1% |
| March | 63.3% | 79.3% | ▲ 25.2% |
| April | 96.7% | 71.4% | ▼ 26.1% |
| May | 66.7% | 100.0% | ▲ 50.0% |
| June | 63.6% | 100.0% | ▲ 57.1% |
| July | 81.0% | 56.3% | ▼ 30.5% |
| August | 88.0% | – | – |
| September | 100.0% | – | – |
| October | – | – | in progress |
| November | 95.5% | – | – |
| December | 80.0% | – | – |
| Year-to-date average (Jan–Jul) | 75.3% | 81.7% | ▲ 8.6% |
according to the US BTS · December 2024 → July 2026
Average departure delay by month
Months without data are left blank.
according to the US BTS · December 2024 → July 2026
Cancelled departures by month
Months without data are left blank.
The most recent periods18 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 0 | 3 | – |
| February | 4 | 2 | ▼ 50.0% |
| March | 0 | 2 | – |
| April | 0 | 0 | – |
| May | 1 | 0 | ▼ 100.0% |
| June | 0 | 0 | – |
| July | 2 | 6 | ▲ 200.0% |
| August | 0 | – | – |
| September | 0 | – | – |
| October | – | – | in progress |
| November | 0 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 7 | 13 | ▲ 85.7% |
according to the US BTS · December 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 95.4% 419
- Cancelled 4.6% 20
Share of all recorded flights in the period, all legs. · Dec 2, 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 |
|---|---|---|---|---|
| BOS PHL Boston Logan International Airport – Philadelphia International Airport | 450 | 6.3 min | 81.4% | 87 |
| LGA CLE LaGuardia Airport – Cleveland Hopkins International Airport | 672 | 9.6 min | 78.8% | 68 |
| LGA ATL LaGuardia Airport – Hartsfield Jackson Atlanta International Airport | 1,225 | 5.2 min | 80.0% | 37 |
| IND ORD Indianapolis International Airport – Chicago O'Hare International Airport | 286 | 7.1 min | 94.4% | 36 |
| ATL LGA Hartsfield Jackson Atlanta International Airport – LaGuardia Airport | 1,225 | 3.4 min | 80.7% | 32 |
| PHL PIT Philadelphia International Airport – Pittsburgh International Airport | 430 | 45.2 min | 75.0% | 30 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| December 2024 | 10 | 10 | 90.0% | 0 |
| January 2025 | 24 | 24 | 91.7% | 0 |
| February 2025 | 40 | 36 | 63.9% | 4 |
| March 2025 | 30 | 30 | 63.3% | 0 |
| April 2025 | 30 | 30 | 96.7% | 0 |
| May 2025 | 31 | 30 | 66.7% | 1 |
| June 2025 | 22 | 22 | 63.6% | 0 |
| July 2025 | 23 | 21 | 81.0% | 2 |
| August 2025 | 25 | 25 | 88.0% | 0 |
| September 2025 | 2 | 2 | 100.0% | 0 |
| November 2025 | 22 | 22 | 95.5% | 0 |
| December 2025 | 25 | 25 | 80.0% | 0 |
| January 2026 | 53 | 50 | 76.0% | 3 |
| February 2026 | 38 | 36 | 88.9% | 2 |
| March 2026 | 31 | 29 | 79.3% | 2 |
| April 2026 | 7 | 7 | 71.4% | 0 |
| May 2026 | 2 | 2 | 100.0% | 0 |
| June 2026 | 2 | 2 | 100.0% | 0 |
| July 2026 | 22 | 16 | 56.3% | 6 |