WN 146 then DL 507 at LAX
Houston Hobby → Los Angeles → Boston
Timetable, Los Angeles time
09:00WN 146 from Houston Hobby at the gate
21:05DL 507 to Boston leaves the gate
12 h 05 apart on the timetable
DL 507 leaves 12 h 05 after WN 146 arrives on the timetable: more than half a day, so not a connection we count.