WN 3723 then WN 399 at Phoenix
San Diego → Phoenix → Omaha
Timetable, Phoenix time
20:55WN 3723 from San Diego at the gate
12:00WN 399 to Omaha leaves the gate
15 h 05 apart on the timetable, overnight
WN 399 leaves 15 h 05 after WN 3723 arrives on the timetable: more than half a day, so not a connection we count.