UA 1535 then AA 3735 at DFW
Houston → Dallas-Fort Worth → Gainesville
Timetable, Dallas-Fort Worth time
19:35UA 1535 from Houston at the gate
08:30AA 3735 to Gainesville leaves the gate
12 h 55 apart on the timetable, overnight
AA 3735 leaves 12 h 55 after UA 1535 arrives on the timetable: more than half a day, so not a connection we count.