AA 1764 then UA 2836 at O'Hare
Austin → Chicago → Tampa
Timetable, Chicago time
18:45AA 1764 from Austin at the gate
17:45UA 2836 to Tampa leaves the gate
23 h apart on the timetable, overnight
UA 2836 leaves 23 h after AA 1764 arrives on the timetable: more than half a day, so not a connection we count.