F9 2633 then DL 777 at Atlanta
Baltimore → Atlanta → Las Vegas
Timetable, Atlanta time
09:09F9 2633 from Baltimore at the gate
08:20DL 777 to Las Vegas leaves the gate
23 h 11 apart on the timetable, overnight
DL 777 leaves 23 h 11 after F9 2633 arrives on the timetable: more than half a day, so not a connection we count.