KD 311 then DL 437 at LAX
Anchorage → Los Angeles → Boston
Timetable, Los Angeles time
13:06KD 311 from Anchorage at the gate
10:59DL 437 to Boston leaves the gate
21 h 53 apart on the timetable, overnight
DL 437 leaves 21 h 53 after KD 311 arrives on the timetable: more than half a day, so not a connection we count.