UA 3501 then AA 4132 at O'Hare
Kansas City → Chicago → Huntsville
Timetable, Chicago time
17:05UA 3501 from Kansas City at the gate
08:15AA 4132 to Huntsville leaves the gate
15 h 10 apart on the timetable, overnight
AA 4132 leaves 15 h 10 after UA 3501 arrives on the timetable: more than half a day, so not a connection we count.