YX3660
YX3660 (Republic Airways) is a multi-stop service on 3 routes, busiest Chicago to Indianapolis. Of 144 departures recorded from October 2024 to July 2026, 75.7% left on time, according to the US BTS.
- On-time departures75.7%of 144 flights
- Average delay17.7 min
- July 202631
- Cancelled5.6%
- Legs flown under this number3
Recorded departures by month
Short series — YX3660 has only 9 months so far. Enough to show the level now, not enough to read a trend.
All legs under this number combined; see the leg table.
Months without data are left blank.
The most recent periods6 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | – | – | – |
| February | – | – | – |
| March | – | – | – |
| April | – | – | – |
| May | – | 11 | – |
| June | – | 30 | – |
| July | – | 31 | – |
| August | – | – | – |
| September | – | – | – |
| October | 6 | – | in progress |
| November | 29 | – | – |
| December | 1 | – | – |
according to the US BTS · October 2024 → July 2026
On-time departures by month
Short series — YX3660 has only 9 months so far. Enough to show the level now, not enough to read a trend.
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 periods6 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | – | – | – |
| February | – | – | – |
| March | – | – | – |
| April | – | – | – |
| May | – | 100.0% | – |
| June | – | 80.8% | – |
| July | – | 58.6% | – |
| August | – | – | – |
| September | – | – | – |
| October | 50.0% | – | in progress |
| November | 70.4% | – | – |
| December | 0.0% | – | – |
according to the US BTS · October 2024 → July 2026
Average departure delay by month
Short series — YX3660 has only 9 months so far. Enough to show the level now, not enough to read a trend.
Months without data are left blank.
according to the US BTS · October 2024 → July 2026
Cancelled departures by month
Short series — YX3660 has only 9 months so far. Enough to show the level now, not enough to read a trend.
Months without data are left blank.
The most recent periods6 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | – | – | – |
| February | – | – | – |
| March | – | – | – |
| April | – | – | – |
| May | – | 0 | – |
| June | – | 4 | – |
| July | – | 2 | – |
| August | – | – | – |
| September | – | – | – |
| October | 0 | – | in progress |
| November | 2 | – | – |
| December | 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 94.4% 136
- Cancelled 5.6% 8
Share of all recorded flights in the period, all legs. · Oct 27, 2024 → Jul 31, 2026
On time, leg by leg
Departures within 15 minutes of schedule; small figure = departures recorded.
Legs flown under this number
3| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| ORD IND Chicago O'Hare International Airport – Indianapolis International Airport | 286 | 18.8 min | 74.2% | 72 |
| ORD SDF Chicago O'Hare International Airport – Louisville Muhammad Ali International Airport | 462 | 2.5 min | 88.9% | 36 |
| ORD DCA Chicago O'Hare International Airport – Ronald Reagan Washington National Airport | 983 | 31.6 min | 64.7% | 36 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 5 | 5 | 100.0% | 0 |
| November 2024 | 29 | 29 | 86.2% | 0 |
| December 2024 | 2 | 2 | 100.0% | 0 |
| October 2025 | 6 | 6 | 50.0% | 0 |
| November 2025 | 29 | 27 | 70.4% | 2 |
| December 2025 | 1 | 1 | 0.0% | 0 |
| May 2026 | 11 | 11 | 100.0% | 0 |
| June 2026 | 30 | 26 | 80.8% | 4 |
| July 2026 | 31 | 29 | 58.6% | 2 |