WN 3978 then WN 471 at Phoenix
Salt Lake City → Phoenix → Ontario
Timetable, Phoenix time
06:45WN 3978 from Salt Lake City at the gate
19:40WN 471 to Ontario leaves the gate
12 h 55 apart on the timetable
WN 471 leaves 12 h 55 after WN 3978 arrives on the timetable: more than half a day, so not a connection we count.