DL 1697 then B6 1177 at Boston
Phoenix → Boston → Las Vegas
Timetable, Boston time
21:00DL 1697 from Phoenix at the gate
11:05B6 1177 to Las Vegas leaves the gate
14 h 05 apart on the timetable, overnight
B6 1177 leaves 14 h 05 after DL 1697 arrives on the timetable: more than half a day, so not a connection we count.