YX3664
YX3664 (Republic Airways) is a multi-stop service on 22 routes, busiest Madison to Newark. Of 507 departures recorded from October 2024 to July 2026, 87.5% left on time, according to the US BTS.
- On-time departures87.5%of 507 flights
- Average delay5.8 min
- July 20263▼ 90.3%vs July 2025
- Cancelled2.0%
- Legs flown under this number22
Recorded departures by month
All legs under this number combined; see the leg table.
Months without data are left blank.
The most recent periods18 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | 25 | 14 | ▼ 44.0% |
| February | 28 | 18 | ▼ 35.7% |
| March | 31 | 30 | ▼ 3.2% |
| April | 30 | 51 | ▲ 70.0% |
| May | 12 | 19 | ▲ 58.3% |
| June | 30 | 7 | ▼ 76.7% |
| July | 31 | 3 | ▼ 90.3% |
| August | 29 | – | – |
| September | 22 | – | – |
| October | 31 | – | in progress |
| November | – | – | – |
| December | 27 | – | – |
| Year to date (Jan–Jul) | 187 | 142 | ▼ 24.1% |
according to the US BTS · October 2024 → July 2026
On-time departures by month
Months without data are left blank.
On time = departure within 15 minutes of schedule. Non-cancelled flights with a recorded delay only.
The most recent periods18 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | 95.8% | 91.7% | ▼ 4.3% |
| February | 85.7% | 86.7% | ▲ 1.1% |
| March | 90.3% | 75.9% | ▼ 16.0% |
| April | 90.0% | 88.2% | ▼ 2.0% |
| May | 90.9% | 94.4% | ▲ 3.9% |
| June | 73.3% | 100.0% | ▲ 36.4% |
| July | 70.0% | 66.7% | ▼ 4.8% |
| August | 89.7% | – | – |
| September | 90.9% | – | – |
| October | 96.8% | – | in progress |
| November | – | – | – |
| December | 88.9% | – | – |
| Year-to-date average (Jan–Jul) | 85.2% | 86.2% | ▲ 1.2% |
according to the US BTS · October 2024 → July 2026
Average departure delay by month
Months without data are left blank.
according to the US BTS · October 2024 → July 2026
Cancelled departures by month
Months without data are left blank.
The most recent periods18 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 1 | 2 | ▲ 100.0% |
| February | 0 | 3 | – |
| March | 0 | 1 | – |
| April | 0 | 0 | – |
| May | 1 | 1 | 0.0% |
| June | 0 | 0 | – |
| July | 1 | 0 | ▼ 100.0% |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | – | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 3 | 7 | ▲ 133.3% |
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 98.0% 497
- Cancelled 2.0% 10
Share of all recorded flights in the period, all legs. · Oct 12, 2024 → Jul 12, 2026
On time, leg by leg
Departures within 15 minutes of schedule; small figure = departures recorded.
Legs flown under this number
5| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| MSN EWR Dane County Regional Truax Field – Newark Liberty International Airport | 1,282 | 6.2 min | 87.7% | 164 |
| EWR PIT Newark Liberty International Airport – Pittsburgh International Airport | 512 | 17.3 min | 75.5% | 54 |
| IAD SAV Washington Dulles International Airport – Savannah Hilton Head International Airport | 830 | -3.1 min | 94.1% | 51 |
| EWR ROC Newark Liberty International Airport – Frederick Douglass Greater Rochester International Airport | 396 | -0.4 min | 86.7% | 46 |
| LEX ORD Blue Grass Airport – Chicago O'Hare International Airport | 521 | 9.6 min | 88.9% | 36 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 21 | 21 | 85.7% | 0 |
| November 2024 | 30 | 30 | 90.0% | 0 |
| December 2024 | 18 | 18 | 100.0% | 0 |
| January 2025 | 25 | 24 | 95.8% | 1 |
| February 2025 | 28 | 28 | 85.7% | 0 |
| March 2025 | 31 | 31 | 90.3% | 0 |
| April 2025 | 30 | 30 | 90.0% | 0 |
| May 2025 | 12 | 11 | 90.9% | 1 |
| June 2025 | 30 | 30 | 73.3% | 0 |
| July 2025 | 31 | 30 | 70.0% | 1 |
| August 2025 | 29 | 29 | 89.7% | 0 |
| September 2025 | 22 | 22 | 90.9% | 0 |
| October 2025 | 31 | 31 | 96.8% | 0 |
| December 2025 | 27 | 27 | 88.9% | 0 |
| January 2026 | 14 | 12 | 91.7% | 2 |
| February 2026 | 18 | 15 | 86.7% | 3 |
| March 2026 | 30 | 29 | 75.9% | 1 |
| April 2026 | 51 | 51 | 88.2% | 0 |
| May 2026 | 19 | 18 | 94.4% | 1 |
| June 2026 | 7 | 7 | 100.0% | 0 |
| July 2026 | 3 | 3 | 66.7% | 0 |