YX4486
YX4486 (Republic Airways) is a multi-stop service on 16 routes, busiest St Louis to New York. Of 726 departures recorded from October 2024 to July 2026, 86.6% left on time, according to the US BTS.
- On-time departures86.6%of 726 flights
- Average delay4.6 min
- July 202662▲ 100.0%vs July 2025
- Cancelled2.5%
- Legs flown under this number16
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 | 31 | 27 | ▼ 12.9% |
| February | 28 | 26 | ▼ 7.1% |
| March | 31 | 31 | 0.0% |
| April | 30 | 30 | 0.0% |
| May | 31 | 42 | ▲ 35.5% |
| June | 26 | 60 | ▲ 130.8% |
| July | 31 | 62 | ▲ 100.0% |
| August | 23 | – | – |
| September | 2 | – | – |
| October | 52 | – | in progress |
| November | 30 | – | – |
| December | 30 | – | – |
| Year to date (Jan–Jul) | 208 | 278 | ▲ 33.7% |
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 | 92.3% | 92.0% | ▼ 0.3% |
| February | 85.7% | 95.8% | ▲ 11.8% |
| March | 90.0% | 70.0% | ▼ 22.2% |
| April | 90.0% | 76.7% | ▼ 14.8% |
| May | 96.8% | 88.1% | ▼ 9.0% |
| June | 80.8% | 84.5% | ▲ 4.6% |
| July | 71.0% | 96.7% | ▲ 36.3% |
| August | 82.6% | – | – |
| September | 100.0% | – | – |
| October | 90.0% | – | in progress |
| November | 93.1% | – | – |
| December | 75.9% | – | – |
| Year-to-date average (Jan–Jul) | 86.6% | 86.3% | ▼ 0.5% |
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 | 5 | 2 | ▼ 60.0% |
| February | 0 | 2 | – |
| March | 1 | 1 | 0.0% |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | 2 | – |
| July | 0 | 1 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 2 | – | in progress |
| November | 1 | – | – |
| December | 1 | – | – |
| Year to date (Jan–Jul) | 6 | 8 | ▲ 33.3% |
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 97.5% 708
- Cancelled 2.5% 18
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 |
|---|---|---|---|---|
| STL LGA St. Louis Lambert International Airport – LaGuardia Airport | 1,426 | 9.1 min | 84.9% | 172 |
| DCA CHS Ronald Reagan Washington National Airport – Charleston International Airport | 715 | 1.2 min | 87.7% | 120 |
| BOS ORD Boston Logan International Airport – Chicago O'Hare International Airport | 1,391 | 3.1 min | 88.1% | 101 |
| LGA CVG LaGuardia Airport – Cincinnati Northern Kentucky International Airport | 940 | 16.0 min | 75.0% | 64 |
| PWM LGA Portland International Jetport – LaGuardia Airport | 433 | 4.1 min | 92.2% | 52 |
| LGA PWM LaGuardia Airport – Portland International Jetport | 433 | 1.5 min | 86.3% | 52 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 40 | 40 | 87.5% | 0 |
| November 2024 | 32 | 32 | 84.4% | 0 |
| December 2024 | 31 | 31 | 83.9% | 0 |
| January 2025 | 31 | 26 | 92.3% | 5 |
| February 2025 | 28 | 28 | 85.7% | 0 |
| March 2025 | 31 | 30 | 90.0% | 1 |
| April 2025 | 30 | 30 | 90.0% | 0 |
| May 2025 | 31 | 31 | 96.8% | 0 |
| June 2025 | 26 | 26 | 80.8% | 0 |
| July 2025 | 31 | 31 | 71.0% | 0 |
| August 2025 | 23 | 23 | 82.6% | 0 |
| September 2025 | 2 | 2 | 100.0% | 0 |
| October 2025 | 52 | 50 | 90.0% | 2 |
| November 2025 | 30 | 29 | 93.1% | 1 |
| December 2025 | 30 | 29 | 75.9% | 1 |
| January 2026 | 27 | 25 | 92.0% | 2 |
| February 2026 | 26 | 24 | 95.8% | 2 |
| March 2026 | 31 | 30 | 70.0% | 1 |
| April 2026 | 30 | 30 | 76.7% | 0 |
| May 2026 | 42 | 42 | 88.1% | 0 |
| June 2026 | 60 | 58 | 84.5% | 2 |
| July 2026 | 62 | 61 | 96.7% | 1 |