YX3661
YX3661 (Republic Airways) is a multi-stop service on 27 routes, busiest Chicago to New York. Of 535 departures recorded from October 2024 to July 2026, 81.8% left on time, according to the US BTS.
- On-time departures81.8%of 535 flights
- Average delay8.4 min
- July 202631▲ 3.3%vs July 2025
- Cancelled4.7%
- Legs flown under this number27
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 | 26 | 31 | ▲ 19.2% |
| February | 25 | 28 | ▲ 12.0% |
| March | 31 | 29 | ▼ 6.5% |
| April | 18 | 1 | ▼ 94.4% |
| May | 10 | 11 | ▲ 10.0% |
| June | 25 | 30 | ▲ 20.0% |
| July | 30 | 31 | ▲ 3.3% |
| August | 21 | – | – |
| September | 19 | – | – |
| October | 31 | – | in progress |
| November | 29 | – | – |
| December | 29 | – | – |
| Year to date (Jan–Jul) | 165 | 161 | ▼ 2.4% |
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 | 96.2% | 88.9% | ▼ 7.6% |
| February | 84.0% | 92.3% | ▲ 9.9% |
| March | 93.3% | 60.9% | ▼ 34.8% |
| April | 88.9% | 100.0% | ▲ 12.5% |
| May | 80.0% | 90.9% | ▲ 13.6% |
| June | 72.0% | 80.0% | ▲ 11.1% |
| July | 48.3% | 83.3% | ▲ 72.6% |
| August | 85.0% | – | – |
| September | 89.5% | – | – |
| October | 73.3% | – | in progress |
| November | 68.0% | – | – |
| December | 75.0% | – | – |
| Year-to-date average (Jan–Jul) | 80.4% | 85.2% | ▲ 6.0% |
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 | 4 | – |
| February | 0 | 2 | – |
| March | 1 | 6 | ▲ 500.0% |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | 1 | 1 | 0.0% |
| August | 1 | – | – |
| September | 0 | – | – |
| October | 1 | – | in progress |
| November | 4 | – | – |
| December | 1 | – | – |
| Year to date (Jan–Jul) | 2 | 13 | ▲ 550.0% |
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 95.3% 510
- Cancelled 4.7% 25
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
9| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| ORD LGA Chicago O'Hare International Airport – LaGuardia Airport | 1,177 | 11.1 min | 81.7% | 70 |
| IAD PWM Washington Dulles International Airport – Portland International Jetport | 793 | -4.1 min | 98.1% | 52 |
| CMH ORD John Glenn Columbus International Airport – Chicago O'Hare International Airport | 475 | 9.3 min | 79.6% | 49 |
| EWR MSN Newark Liberty International Airport – Dane County Regional Truax Field | 1,282 | 4.0 min | 88.6% | 45 |
| IND ORD Indianapolis International Airport – Chicago O'Hare International Airport | 286 | 1.0 min | 86.1% | 37 |
| SDF EWR Louisville Muhammad Ali International Airport – Newark Liberty International Airport | 1,031 | 6.8 min | 80.0% | 35 |
| ORD MCI Chicago O'Hare International Airport – Kansas City International Airport | 647 | 40.5 min | 44.1% | 35 |
| RIC EWR Richmond International Airport – Newark Liberty International Airport | 446 | 17.7 min | 63.3% | 34 |
| ORD GRR Chicago O'Hare International Airport – Gerald R. Ford International Airport | 220 | -2.3 min | 93.3% | 30 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 20 | 20 | 100.0% | 0 |
| November 2024 | 30 | 30 | 96.7% | 0 |
| December 2024 | 30 | 27 | 81.5% | 3 |
| January 2025 | 26 | 26 | 96.2% | 0 |
| February 2025 | 25 | 25 | 84.0% | 0 |
| March 2025 | 31 | 30 | 93.3% | 1 |
| April 2025 | 18 | 18 | 88.9% | 0 |
| May 2025 | 10 | 10 | 80.0% | 0 |
| June 2025 | 25 | 25 | 72.0% | 0 |
| July 2025 | 30 | 29 | 48.3% | 1 |
| August 2025 | 21 | 20 | 85.0% | 1 |
| September 2025 | 19 | 19 | 89.5% | 0 |
| October 2025 | 31 | 30 | 73.3% | 1 |
| November 2025 | 29 | 25 | 68.0% | 4 |
| December 2025 | 29 | 28 | 75.0% | 1 |
| January 2026 | 31 | 27 | 88.9% | 4 |
| February 2026 | 28 | 26 | 92.3% | 2 |
| March 2026 | 29 | 23 | 60.9% | 6 |
| April 2026 | 1 | 1 | 100.0% | 0 |
| May 2026 | 11 | 11 | 90.9% | 0 |
| June 2026 | 30 | 30 | 80.0% | 0 |
| July 2026 | 31 | 30 | 83.3% | 1 |