AA 3390 then UA 2827 at O'Hare
Greensboro → Chicago → Tampa
Timetable, Chicago time
21:13AA 3390 from Greensboro at the gate
20:05UA 2827 to Tampa leaves the gate
22 h 52 apart on the timetable, overnight
UA 2827 leaves 22 h 52 after AA 3390 arrives on the timetable: more than half a day, so not a connection we count.