F9 3363 then UA 5381 at Detroit
Orlando → Detroit → Chicago O'Hare
Timetable, Detroit time
17:49F9 3363 from Orlando at the gate
14:09UA 5381 to Chicago O'Hare leaves the gate
20 h 20 apart on the timetable, overnight
UA 5381 leaves 20 h 20 after F9 3363 arrives on the timetable: more than half a day, so not a connection we count.