WN 1552 then DL 1697 at Phoenix
Burbank → Phoenix → Boston
Timetable, Phoenix time
19:10WN 1552 from Burbank at the gate
14:20DL 1697 to Boston leaves the gate
19 h 10 apart on the timetable, overnight
DL 1697 leaves 19 h 10 after WN 1552 arrives on the timetable: more than half a day, so not a connection we count.