DL 580 then DL 1373 at Salt Lake City
Raleigh-Durham → Salt Lake City → Portland (Oregon)
Timetable, Salt Lake City time
09:57DL 580 from Raleigh-Durham at the gate
22:45DL 1373 to Portland (Oregon) leaves the gate
12 h 48 apart on the timetable
DL 1373 leaves 12 h 48 after DL 580 arrives on the timetable: more than half a day, so not a connection we count.