UA 3501 then AA 3960 at O'Hare
Kansas City → Chicago → Valparaiso
Timetable, Chicago time
17:05UA 3501 from Kansas City at the gate
08:34AA 3960 to Valparaiso leaves the gate
15 h 29 apart on the timetable, overnight
AA 3960 leaves 15 h 29 after UA 3501 arrives on the timetable: more than half a day, so not a connection we count.