YX3631
YX3631 (Republic Airways) is a multi-stop service on 26 routes, busiest New York to Dulles. Of 526 departures recorded from October 2024 to July 2026, 86.1% left on time, according to the US BTS.
- On-time departures86.1%of 526 flights
- Average delay4.8 min
- July 202631▲ 14.8%vs July 2025
- Cancelled4.2%
- Legs flown under this number26
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 | 1 | 31 | ▲ 3,000.0% |
| February | 5 | 26 | ▲ 420.0% |
| March | 4 | 24 | ▲ 500.0% |
| April | 30 | 29 | ▼ 3.3% |
| May | 24 | 13 | ▼ 45.8% |
| June | 30 | 30 | 0.0% |
| July | 27 | 31 | ▲ 14.8% |
| August | 34 | – | – |
| September | 22 | – | – |
| October | 31 | – | in progress |
| November | 26 | – | – |
| December | 29 | – | – |
| Year to date (Jan–Jul) | 121 | 184 | ▲ 52.1% |
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 | 100.0% | 96.6% | ▼ 3.5% |
| February | 100.0% | 92.3% | ▼ 7.7% |
| March | 100.0% | 79.2% | ▼ 20.8% |
| April | 96.7% | 89.3% | ▼ 7.6% |
| May | 85.7% | 100.0% | ▲ 16.7% |
| June | 92.9% | 100.0% | ▲ 7.7% |
| July | 57.7% | 96.3% | ▲ 66.9% |
| August | 88.2% | – | – |
| September | 95.5% | – | – |
| October | 76.7% | – | in progress |
| November | 79.2% | – | – |
| December | 74.1% | – | – |
| Year-to-date average (Jan–Jul) | 90.4% | 93.4% | ▲ 3.3% |
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 | 0 | 2 | – |
| February | 2 | 0 | ▼ 100.0% |
| March | 0 | 0 | – |
| April | 0 | 1 | – |
| May | 3 | 1 | ▼ 66.7% |
| June | 2 | 1 | ▼ 50.0% |
| July | 1 | 4 | ▲ 300.0% |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 1 | – | in progress |
| November | 2 | – | – |
| December | 2 | – | – |
| Year to date (Jan–Jul) | 8 | 9 | ▲ 12.5% |
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 95.8% 504
- Cancelled 4.2% 22
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
4| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| LGA IAD LaGuardia Airport – Washington Dulles International Airport | 368 | 7.5 min | 81.3% | 142 |
| EWR RDU Newark Liberty International Airport – Raleigh-Durham International Airport | 670 | -5.6 min | 98.6% | 78 |
| SBN IAD South Bend International Airport – Washington Dulles International Airport | 811 | 0.2 min | 95.9% | 49 |
| IND EWR Indianapolis International Airport – Newark Liberty International Airport | 1,035 | 18.5 min | 70.0% | 33 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 19 | 19 | 94.7% | 0 |
| November 2024 | 30 | 30 | 66.7% | 0 |
| December 2024 | 30 | 30 | 80.0% | 0 |
| January 2025 | 1 | 1 | 100.0% | 0 |
| February 2025 | 5 | 3 | 100.0% | 2 |
| March 2025 | 4 | 4 | 100.0% | 0 |
| April 2025 | 30 | 30 | 96.7% | 0 |
| May 2025 | 24 | 21 | 85.7% | 3 |
| June 2025 | 30 | 28 | 92.9% | 2 |
| July 2025 | 27 | 26 | 57.7% | 1 |
| August 2025 | 34 | 34 | 88.2% | 0 |
| September 2025 | 22 | 22 | 95.5% | 0 |
| October 2025 | 31 | 30 | 76.7% | 1 |
| November 2025 | 26 | 24 | 79.2% | 2 |
| December 2025 | 29 | 27 | 74.1% | 2 |
| January 2026 | 31 | 29 | 96.6% | 2 |
| February 2026 | 26 | 26 | 92.3% | 0 |
| March 2026 | 24 | 24 | 79.2% | 0 |
| April 2026 | 29 | 28 | 89.3% | 1 |
| May 2026 | 13 | 12 | 100.0% | 1 |
| June 2026 | 30 | 29 | 100.0% | 1 |
| July 2026 | 31 | 27 | 96.3% | 4 |