UA 451 then WN 3457 at Phoenix
San Diego → Phoenix → Orlando
Timetable, Phoenix time
23:59UA 451 from San Diego at the gate
15:05WN 3457 to Orlando leaves the gate
15 h 06 apart on the timetable, overnight
WN 3457 leaves 15 h 06 after UA 451 arrives on the timetable: more than half a day, so not a connection we count.