DL 1697 then DL 508 at Boston
Phoenix → Boston → Los Angeles
Timetable, Boston time
21:00DL 1697 from Phoenix at the gate
17:15DL 508 to Los Angeles leaves the gate
20 h 15 apart on the timetable, overnight
DL 508 leaves 20 h 15 after DL 1697 arrives on the timetable: more than half a day, so not a connection we count.