UA 1780 then CA 7337 at San Francisco
Dallas-Fort Worth → San Francisco → Seattle
Timetable, San Francisco time
17:18UA 1780 from Dallas-Fort Worth at the gatealso AC 3148, OZ 6314
14:10CA 7337 to Seattle leaves the gatealso NZ 9403
20 h 52 apart on the timetable, overnight
CA 7337 leaves 20 h 52 after UA 1780 arrives on the timetable: more than half a day, so not a connection we count.