AA 2455 then UA 1370 at LAX
Boston → Los Angeles → Tampa
Timetable, Los Angeles time
11:28AA 2455 from Boston at the gate
10:55UA 1370 to Tampa leaves the gate
23 h 27 apart on the timetable, overnight
UA 1370 leaves 23 h 27 after AA 2455 arrives on the timetable: more than half a day, so not a connection we count.