YX4470
YX4470 (Republic Airways) is a multi-stop service on 18 routes, busiest Boston to New York. Of 778 departures recorded from October 2024 to July 2026, 82.3% left on time, according to the US BTS.
- On-time departures82.3%of 778 flights
- Average delay12.7 min
- July 202662▲ 675.0%vs July 2025
- Cancelled2.7%
- Legs flown under this number18
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 | 49 | 31 | ▼ 36.7% |
| February | 48 | 28 | ▼ 41.7% |
| March | 56 | 28 | ▼ 50.0% |
| April | 58 | 29 | ▼ 50.0% |
| May | 20 | 42 | ▲ 110.0% |
| June | 12 | 60 | ▲ 400.0% |
| July | 8 | 62 | ▲ 675.0% |
| August | 24 | – | – |
| September | 10 | – | – |
| October | 28 | – | in progress |
| November | 29 | – | – |
| December | 29 | – | – |
| Year to date (Jan–Jul) | 251 | 280 | ▲ 11.6% |
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 | 87.5% | 76.7% | ▼ 12.4% |
| February | 91.7% | 84.0% | ▼ 8.4% |
| March | 87.3% | 58.3% | ▼ 33.2% |
| April | 87.9% | 75.9% | ▼ 13.7% |
| May | 90.0% | 73.2% | ▼ 18.7% |
| June | 91.7% | 72.4% | ▼ 21.0% |
| July | 87.5% | 74.1% | ▼ 15.3% |
| August | 91.7% | – | – |
| September | 50.0% | – | – |
| October | 82.1% | – | in progress |
| November | 72.4% | – | – |
| December | 75.9% | – | – |
| Year-to-date average (Jan–Jul) | 89.1% | 73.5% | ▼ 17.5% |
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 | 1 | 0.0% |
| February | 0 | 3 | – |
| March | 1 | 4 | ▲ 300.0% |
| April | 0 | 0 | – |
| May | 0 | 1 | – |
| June | 0 | 2 | – |
| July | 0 | 8 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 2 | 19 | ▲ 850.0% |
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 97.3% 757
- Cancelled 2.7% 21
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
8| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| BOS LGA Boston Logan International Airport – LaGuardia Airport | 296 | 13.1 min | 81.8% | 213 |
| STL LGA St. Louis Lambert International Airport – LaGuardia Airport | 1,426 | -0.4 min | 90.6% | 87 |
| LGA STL LaGuardia Airport – St. Louis Lambert International Airport | 1,426 | 0.3 min | 87.4% | 87 |
| OKC LGA OKC Will Rogers World Airport – LaGuardia Airport | 2,154 | 56.6 min | 62.1% | 72 |
| LGA OKC LaGuardia Airport – OKC Will Rogers World Airport | 2,154 | 18.6 min | 80.9% | 72 |
| JFK ORD John F. Kennedy International Airport – Chicago O'Hare International Airport | 1,188 | 7.8 min | 81.4% | 44 |
| STL ORD St. Louis Lambert International Airport – Chicago O'Hare International Airport | 415 | 7.8 min | 87.1% | 31 |
| ORD STL Chicago O'Hare International Airport – St. Louis Lambert International Airport | 415 | 5.2 min | 90.3% | 31 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 37 | 37 | 97.3% | 0 |
| November 2024 | 45 | 45 | 95.6% | 0 |
| December 2024 | 45 | 45 | 84.4% | 0 |
| January 2025 | 49 | 48 | 87.5% | 1 |
| February 2025 | 48 | 48 | 91.7% | 0 |
| March 2025 | 56 | 55 | 87.3% | 1 |
| April 2025 | 58 | 58 | 87.9% | 0 |
| May 2025 | 20 | 20 | 90.0% | 0 |
| June 2025 | 12 | 12 | 91.7% | 0 |
| July 2025 | 8 | 8 | 87.5% | 0 |
| August 2025 | 24 | 24 | 91.7% | 0 |
| September 2025 | 10 | 10 | 50.0% | 0 |
| October 2025 | 28 | 28 | 82.1% | 0 |
| November 2025 | 29 | 29 | 72.4% | 0 |
| December 2025 | 29 | 29 | 75.9% | 0 |
| January 2026 | 31 | 30 | 76.7% | 1 |
| February 2026 | 28 | 25 | 84.0% | 3 |
| March 2026 | 28 | 24 | 58.3% | 4 |
| April 2026 | 29 | 29 | 75.9% | 0 |
| May 2026 | 42 | 41 | 73.2% | 1 |
| June 2026 | 60 | 58 | 72.4% | 2 |
| July 2026 | 62 | 54 | 74.1% | 8 |