AF 6838 then WN 4454 at Phoenix
Seattle → Phoenix → Las Vegas
Timetable, Phoenix time
17:35AF 6838 from Seattle at the gate
17:10WN 4454 to Las Vegas leaves the gate
23 h 35 apart on the timetable, overnight
WN 4454 leaves 23 h 35 after AF 6838 arrives on the timetable: more than half a day, so not a connection we count.