UA 3909 then FX 1602 at O'Hare
Newark → Chicago → Indianapolis
Timetable, Chicago time
11:38UA 3909 from Newark at the gate
22:00FX 1602 to Indianapolis leaves the gate
10 h 22 apart on the timetable
The last days
UA 3909 and FX 1602 weren’t both flown 15 min to 12 h apart in the last 21 days.
Statistics from past flights, not live flight information. Always check times and your connection with your airline, and don’t base travel or booking decisions on these numbers.