UA 3915 then AA 883 at O'Hare
Miami → Chicago → Orlando
Timetable, Chicago time
22:25UA 3915 from Miami at the gate
19:05AA 883 to Orlando leaves the gate
20 h 40 apart on the timetable, overnight
AA 883 leaves 20 h 40 after UA 3915 arrives on the timetable: more than half a day, so not a connection we count.