AA 2886 then UA 2317 at O'Hare
Tampa → Chicago → Memphis
Timetable, Chicago time
09:00AA 2886 from Tampa at the gate
21:44UA 2317 to Memphis leaves the gate
12 h 44 apart on the timetable
UA 2317 leaves 12 h 44 after AA 2886 arrives on the timetable: more than half a day, so not a connection we count.