YX3684
YX3684 (Republic Airways) is a multi-stop service on 15 routes, busiest St Louis to Newark. Of 590 departures recorded from October 2024 to July 2026, 83.5% left on time, according to the US BTS.
- On-time departures83.5%of 590 flights
- Average delay7.9 min
- July 202631▲ 14.8%vs July 2025
- Cancelled5.8%
- Legs flown under this number15
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 | 30 | 22 | ▼ 26.7% |
| February | 28 | 26 | ▼ 7.1% |
| March | 31 | 12 | ▼ 61.3% |
| April | 30 | 29 | ▼ 3.3% |
| May | 25 | 11 | ▼ 56.0% |
| June | 29 | 30 | ▲ 3.4% |
| July | 27 | 31 | ▲ 14.8% |
| August | 31 | – | – |
| September | 30 | – | – |
| October | 30 | – | in progress |
| November | 30 | – | – |
| December | 31 | – | – |
| Year to date (Jan–Jul) | 200 | 161 | ▼ 19.5% |
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 | 78.6% | 84.2% | ▲ 7.2% |
| February | 77.8% | 88.0% | ▲ 13.1% |
| March | 90.3% | 83.3% | ▼ 7.7% |
| April | 90.0% | 82.8% | ▼ 8.0% |
| May | 70.6% | 81.8% | ▲ 15.9% |
| June | 84.6% | 90.0% | ▲ 6.4% |
| July | 42.1% | 82.1% | ▲ 95.1% |
| August | 93.3% | – | – |
| September | 96.7% | – | – |
| October | 86.7% | – | in progress |
| November | 77.8% | – | – |
| December | 66.7% | – | – |
| Year-to-date average (Jan–Jul) | 76.3% | 84.6% | ▲ 10.9% |
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 | 2 | 3 | ▲ 50.0% |
| February | 1 | 1 | 0.0% |
| March | 0 | 0 | – |
| April | 0 | 0 | – |
| May | 8 | 0 | ▼ 100.0% |
| June | 3 | 0 | ▼ 100.0% |
| July | 8 | 3 | ▼ 62.5% |
| August | 1 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 3 | – | – |
| December | 1 | – | – |
| Year to date (Jan–Jul) | 22 | 7 | ▼ 68.2% |
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 94.2% 556
- Cancelled 5.8% 34
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
7| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| STL EWR St. Louis Lambert International Airport – Newark Liberty International Airport | 1,400 | 8.6 min | 84.4% | 198 |
| GSP EWR Greenville-Spartanburg International Airport – Newark Liberty International Airport | 956 | -0.4 min | 90.4% | 139 |
| IAD ORF Washington Dulles International Airport – Norfolk International Airport | 253 | 13.6 min | 73.1% | 73 |
| ORD ELP Chicago O'Hare International Airport – El Paso International Airport | 1,987 | 5.4 min | 84.4% | 32 |
| CLT IAD Charlotte Douglas International Airport – Washington Dulles International Airport | 517 | 16.2 min | 87.5% | 32 |
| EYW IAD Key West International Airport – Washington Dulles International Airport | 1,650 | 0.6 min | 83.9% | 31 |
| DTW EWR Detroit Metropolitan Wayne County Airport – Newark Liberty International Airport | 784 | 56.2 min | 38.1% | 31 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 20 | 20 | 100.0% | 0 |
| November 2024 | 29 | 29 | 79.3% | 0 |
| December 2024 | 28 | 28 | 92.9% | 0 |
| January 2025 | 30 | 28 | 78.6% | 2 |
| February 2025 | 28 | 27 | 77.8% | 1 |
| March 2025 | 31 | 31 | 90.3% | 0 |
| April 2025 | 30 | 30 | 90.0% | 0 |
| May 2025 | 25 | 17 | 70.6% | 8 |
| June 2025 | 29 | 26 | 84.6% | 3 |
| July 2025 | 27 | 19 | 42.1% | 8 |
| August 2025 | 31 | 30 | 93.3% | 1 |
| September 2025 | 30 | 30 | 96.7% | 0 |
| October 2025 | 30 | 30 | 86.7% | 0 |
| November 2025 | 30 | 27 | 77.8% | 3 |
| December 2025 | 31 | 30 | 66.7% | 1 |
| January 2026 | 22 | 19 | 84.2% | 3 |
| February 2026 | 26 | 25 | 88.0% | 1 |
| March 2026 | 12 | 12 | 83.3% | 0 |
| April 2026 | 29 | 29 | 82.8% | 0 |
| May 2026 | 11 | 11 | 81.8% | 0 |
| June 2026 | 30 | 30 | 90.0% | 0 |
| July 2026 | 31 | 28 | 82.1% | 3 |