F9 1323 then UA 501 at Denver
Dallas-Fort Worth → Denver → Orlando
Timetable, Denver time
14:04F9 1323 from Dallas-Fort Worth at the gate
14:00UA 501 to Orlando leaves the gate
23 h 56 apart on the timetable, overnight
UA 501 leaves 23 h 56 after F9 1323 arrives on the timetable: more than half a day, so not a connection we count.