AA 2141 then UA 2405 at LAX
Boston → Los Angeles → Fort Lauderdale
Timetable, Los Angeles time
14:05AA 2141 from Boston at the gate
09:05UA 2405 to Fort Lauderdale leaves the gate
19 h apart on the timetable, overnight
UA 2405 leaves 19 h after AA 2141 arrives on the timetable: more than half a day, so not a connection we count.