UA 2227 then WN 1252 at Phoenix
Newark → Phoenix → Nashville
Timetable, Phoenix time
13:41UA 2227 from Newark at the gate
13:35WN 1252 to Nashville leaves the gate
23 h 54 apart on the timetable, overnight
WN 1252 leaves 23 h 54 after UA 2227 arrives on the timetable: more than half a day, so not a connection we count.