UA 3501 then AA 4212 at O'Hare
Kansas City → Chicago → Providence
Timetable, Chicago time
17:05UA 3501 from Kansas City at the gate
08:18AA 4212 to Providence leaves the gate
15 h 13 apart on the timetable, overnight
AA 4212 leaves 15 h 13 after UA 3501 arrives on the timetable: more than half a day, so not a connection we count.