F9 3366 then AA 3735 at DFW
Denver → Dallas-Fort Worth → Gainesville
Timetable, Dallas-Fort Worth time
13:51F9 3366 from Denver at the gate
08:30AA 3735 to Gainesville leaves the gate
18 h 39 apart on the timetable, overnight
AA 3735 leaves 18 h 39 after F9 3366 arrives on the timetable: more than half a day, so not a connection we count.