UA 66 then AA 6279 at O'Hare
Hartford → Chicago → Kalamazoo
Timetable, Chicago time
14:32UA 66 from Hartford at the gate
14:18AA 6279 to Kalamazoo leaves the gate
23 h 46 apart on the timetable, overnight
AA 6279 leaves 23 h 46 after UA 66 arrives on the timetable: more than half a day, so not a connection we count.