DL 732 then UA 609 at Atlanta
Sarasota → Atlanta → Denver
Timetable, Atlanta time
19:54DL 732 from Sarasota at the gate
16:39UA 609 to Denver leaves the gate
20 h 45 apart on the timetable, overnight
UA 609 leaves 20 h 45 after DL 732 arrives on the timetable: more than half a day, so not a connection we count.