UA 2184 then CI 5382 at LAX
Las Vegas → Los Angeles → Miami
Timetable, Los Angeles time
15:21UA 2184 from Las Vegas at the gate
12:30CI 5382 to Miami leaves the gate
21 h 09 apart on the timetable, overnight
CI 5382 leaves 21 h 09 after UA 2184 arrives on the timetable: more than half a day, so not a connection we count.