AS 2278 then DL 437 at LAX
Everett → Los Angeles → Boston
Timetable, Los Angeles time
11:09AS 2278 from Everett at the gate
10:59DL 437 to Boston leaves the gate
23 h 50 apart on the timetable, overnight
DL 437 leaves 23 h 50 after AS 2278 arrives on the timetable: more than half a day, so not a connection we count.