UA 414 then AA 3735 at DFW
Denver → Dallas-Fort Worth → Gainesville
Timetable, Dallas-Fort Worth time
18:42UA 414 from Denver at the gate
08:30AA 3735 to Gainesville leaves the gate
13 h 48 apart on the timetable, overnight
AA 3735 leaves 13 h 48 after UA 414 arrives on the timetable: more than half a day, so not a connection we count.