UA 3501 then AA 3812 at O'Hare
Kansas City → Chicago → White Plains
Timetable, Chicago time
17:05UA 3501 from Kansas City at the gate
08:14AA 3812 to White Plains leaves the gate
15 h 09 apart on the timetable, overnight
AA 3812 leaves 15 h 09 after UA 3501 arrives on the timetable: more than half a day, so not a connection we count.