UA 2330 then DL 1412 at San Francisco
Dallas-Fort Worth → San Francisco → Seattle
Timetable, San Francisco time
21:50UA 2330 from Dallas-Fort Worth at the gatealso AC 3970, OZ 6314, VA 8276, NZ 9093
14:12DL 1412 to Seattle leaves the gatealso KE 3084, KL 7820, MU 8715
16 h 22 apart on the timetable, overnight
DL 1412 leaves 16 h 22 after UA 2330 arrives on the timetable: more than half a day, so not a connection we count.