UA 3426 then AA 1773 at Charlotte
Chicago O'Hare → Charlotte → Tampa
Timetable, Charlotte time
09:46UA 3426 from Chicago O'Hare at the gate
22:28AA 1773 to Tampa leaves the gate
12 h 42 apart on the timetable
AA 1773 leaves 12 h 42 after UA 3426 arrives on the timetable: more than half a day, so not a connection we count.