YX4669
YX4669 (Republic Airways) is a multi-stop service on 17 routes, busiest St Louis to New York. Of 610 departures recorded from November 2024 to July 2026, 85.0% left on time, according to the US BTS.
- On-time departures85.0%of 610 flights
- Average delay6.3 min
- July 202631▲ 19.2%vs July 2025
- Cancelled3.0%
- Legs flown under this number17
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 | 23 | 29 | ▲ 26.1% |
| February | 24 | 28 | ▲ 16.7% |
| March | 30 | 28 | ▼ 6.7% |
| April | 57 | 47 | ▼ 17.5% |
| May | 33 | 45 | ▲ 36.4% |
| June | 26 | 30 | ▲ 15.4% |
| July | 26 | 31 | ▲ 19.2% |
| August | 26 | – | – |
| September | 26 | – | – |
| October | 27 | – | in progress |
| November | 41 | – | – |
| December | 25 | – | – |
| Year to date (Jan–Jul) | 219 | 238 | ▲ 8.7% |
according to the US BTS · November 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 | 86.4% | 75.0% | ▼ 13.2% |
| February | 81.8% | 57.7% | ▼ 29.5% |
| March | 93.1% | 63.0% | ▼ 32.4% |
| April | 86.0% | 91.5% | ▲ 6.4% |
| May | 84.4% | 88.1% | ▲ 4.4% |
| June | 92.3% | 85.7% | ▼ 7.1% |
| July | 92.3% | 90.0% | ▼ 2.5% |
| August | 96.2% | – | – |
| September | 96.2% | – | – |
| October | 92.6% | – | in progress |
| November | 85.0% | – | – |
| December | 65.2% | – | – |
| Year-to-date average (Jan–Jul) | 88.0% | 78.7% | ▼ 10.6% |
according to the US BTS · November 2024 → July 2026
Average departure delay by month
according to the US BTS · November 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 | 2 | 2 | 0.0% |
| March | 1 | 1 | 0.0% |
| April | 0 | 0 | – |
| May | 1 | 3 | ▲ 200.0% |
| June | 0 | 2 | – |
| July | 0 | 1 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 1 | – | – |
| December | 2 | – | – |
| Year to date (Jan–Jul) | 5 | 10 | ▲ 100.0% |
according to the US BTS · November 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% 592
- Cancelled 3.0% 18
Share of all recorded flights in the period, all legs. · Nov 5, 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 | 2.0 min | 92.4% | 200 |
| DCA CMH Ronald Reagan Washington National Airport – John Glenn Columbus International Airport | 519 | 7.8 min | 80.0% | 97 |
| BOS DCA Boston Logan International Airport – Ronald Reagan Washington National Airport | 641 | 1.9 min | 86.7% | 79 |
| CMH DCA John Glenn Columbus International Airport – Ronald Reagan Washington National Airport | 519 | 6.1 min | 86.2% | 60 |
| PHL CMH Philadelphia International Airport – John Glenn Columbus International Airport | 652 | 8.0 min | 83.9% | 31 |
| CMH PHL John Glenn Columbus International Airport – Philadelphia International Airport | 652 | 13.9 min | 83.9% | 31 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| November 2024 | 6 | 6 | 83.3% | 0 |
| December 2024 | 2 | 2 | 100.0% | 0 |
| January 2025 | 23 | 22 | 86.4% | 1 |
| February 2025 | 24 | 22 | 81.8% | 2 |
| March 2025 | 30 | 29 | 93.1% | 1 |
| April 2025 | 57 | 57 | 86.0% | 0 |
| May 2025 | 33 | 32 | 84.4% | 1 |
| June 2025 | 26 | 26 | 92.3% | 0 |
| July 2025 | 26 | 26 | 92.3% | 0 |
| August 2025 | 26 | 26 | 96.2% | 0 |
| September 2025 | 26 | 26 | 96.2% | 0 |
| October 2025 | 27 | 27 | 92.6% | 0 |
| November 2025 | 41 | 40 | 85.0% | 1 |
| December 2025 | 25 | 23 | 65.2% | 2 |
| January 2026 | 29 | 28 | 75.0% | 1 |
| February 2026 | 28 | 26 | 57.7% | 2 |
| March 2026 | 28 | 27 | 63.0% | 1 |
| April 2026 | 47 | 47 | 91.5% | 0 |
| May 2026 | 45 | 42 | 88.1% | 3 |
| June 2026 | 30 | 28 | 85.7% | 2 |
| July 2026 | 31 | 30 | 90.0% | 1 |