UA 751 then CX 7996 at San Francisco
Portland (Oregon) → San Francisco → Seattle
Timetable, San Francisco time
15:15UA 751 from Portland (Oregon) at the gatealso CM 1419, AC 3338, VA 8585, NZ 9358
10:39CX 7996 to Seattle leaves the gate
19 h 24 apart on the timetable, overnight
CX 7996 leaves 19 h 24 after UA 751 arrives on the timetable: more than half a day, so not a connection we count.