WN 873 then DL 1697 at Phoenix
El Paso → Phoenix → Boston
Timetable, Phoenix time
18:05WN 873 from El Paso at the gate
14:20DL 1697 to Boston leaves the gate
20 h 15 apart on the timetable, overnight
DL 1697 leaves 20 h 15 after WN 873 arrives on the timetable: more than half a day, so not a connection we count.