DL 1331 then WN 3980 at Salt Lake City
San Francisco → Salt Lake City → Phoenix Sky Harbor
Timetable, Salt Lake City time
08:40DL 1331 from San Francisco at the gate
20:50WN 3980 to Phoenix Sky Harbor leaves the gate
12 h 10 apart on the timetable
WN 3980 leaves 12 h 10 after DL 1331 arrives on the timetable: more than half a day, so not a connection we count.