YX4533
YX4533 (Republic Airways) is a multi-stop service on 30 routes, busiest Boston to New York. Of 612 departures recorded from October 2024 to July 2026, 85.9% left on time, according to the US BTS.
- On-time departures85.9%of 612 flights
- Average delay8.2 min
- July 20268▼ 82.6%vs July 2025
- Cancelled3.6%
- Legs flown under this number30
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 | 25 | 38 | ▲ 52.0% |
| February | 12 | 45 | ▲ 275.0% |
| March | 2 | 54 | ▲ 2,600.0% |
| April | 27 | 58 | ▲ 114.8% |
| May | 9 | 42 | ▲ 366.7% |
| June | 35 | 4 | ▼ 88.6% |
| July | 46 | 8 | ▼ 82.6% |
| August | 24 | – | – |
| September | 50 | – | – |
| October | 48 | – | in progress |
| November | 4 | – | – |
| December | 2 | – | – |
| Year to date (Jan–Jul) | 156 | 249 | ▲ 59.6% |
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 | 90.9% | 100.0% | ▲ 10.0% |
| February | 91.7% | 82.9% | ▼ 9.5% |
| March | 100.0% | 68.0% | ▼ 32.0% |
| April | 92.6% | 87.5% | ▼ 5.5% |
| May | 88.9% | 87.2% | ▼ 1.9% |
| June | 88.6% | 100.0% | ▲ 12.9% |
| July | 80.4% | 100.0% | ▲ 24.3% |
| August | 95.8% | – | – |
| September | 84.0% | – | – |
| October | 79.2% | – | in progress |
| November | 50.0% | – | – |
| December | 50.0% | – | – |
| Year-to-date average (Jan–Jul) | 90.4% | 89.4% | ▼ 1.2% |
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 | 3 | 2 | ▼ 33.3% |
| February | 0 | 4 | – |
| March | 0 | 4 | – |
| April | 0 | 2 | – |
| May | 0 | 3 | – |
| June | 0 | 0 | – |
| July | 0 | 4 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 3 | 19 | ▲ 533.3% |
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 96.4% 590
- Cancelled 3.6% 22
Share of all recorded flights in the period, all legs. · Oct 12, 2024 → Jul 28, 2026
On time, leg by leg
Departures within 15 minutes of schedule; small figure = departures recorded.
Legs flown under this number
5| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| BOS LGA Boston Logan International Airport – LaGuardia Airport | 296 | 19.6 min | 86.9% | 107 |
| LGA BOS LaGuardia Airport – Boston Logan International Airport | 296 | 13.0 min | 79.1% | 86 |
| SYR ORD Syracuse Hancock International Airport – Chicago O'Hare International Airport | 974 | 5.0 min | 90.1% | 75 |
| ORD SYR Chicago O'Hare International Airport – Syracuse Hancock International Airport | 974 | 4.3 min | 88.4% | 44 |
| MSY ORD Louis Armstrong New Orleans International Airport – Chicago O'Hare International Airport | 1,349 | 1.0 min | 90.0% | 33 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 40 | 40 | 97.5% | 0 |
| November 2024 | 13 | 13 | 84.6% | 0 |
| December 2024 | 26 | 26 | 84.6% | 0 |
| January 2025 | 25 | 22 | 90.9% | 3 |
| February 2025 | 12 | 12 | 91.7% | 0 |
| March 2025 | 2 | 2 | 100.0% | 0 |
| April 2025 | 27 | 27 | 92.6% | 0 |
| May 2025 | 9 | 9 | 88.9% | 0 |
| June 2025 | 35 | 35 | 88.6% | 0 |
| July 2025 | 46 | 46 | 80.4% | 0 |
| August 2025 | 24 | 24 | 95.8% | 0 |
| September 2025 | 50 | 50 | 84.0% | 0 |
| October 2025 | 48 | 48 | 79.2% | 0 |
| November 2025 | 4 | 4 | 50.0% | 0 |
| December 2025 | 2 | 2 | 50.0% | 0 |
| January 2026 | 38 | 36 | 100.0% | 2 |
| February 2026 | 45 | 41 | 82.9% | 4 |
| March 2026 | 54 | 50 | 68.0% | 4 |
| April 2026 | 58 | 56 | 87.5% | 2 |
| May 2026 | 42 | 39 | 87.2% | 3 |
| June 2026 | 4 | 4 | 100.0% | 0 |
| July 2026 | 8 | 4 | 100.0% | 4 |