UA 3501 then AA 4914 at O'Hare
Kansas City → Chicago → Aspen
Timetable, Chicago time
17:05UA 3501 from Kansas City at the gate
10:00AA 4914 to Aspen leaves the gate
16 h 55 apart on the timetable, overnight
AA 4914 leaves 16 h 55 after UA 3501 arrives on the timetable: more than half a day, so not a connection we count.