AA 6422 then UA 2405 at LAX
Denver → Los Angeles → Fort Lauderdale
Timetable, Los Angeles time
13:57AA 6422 from Denver at the gate
09:05UA 2405 to Fort Lauderdale leaves the gate
19 h 08 apart on the timetable, overnight
UA 2405 leaves 19 h 08 after AA 6422 arrives on the timetable: more than half a day, so not a connection we count.