UA 2330 then TK 9587 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
18:30TK 9587 to Seattle leaves the gate
20 h 40 apart on the timetable, overnight
TK 9587 leaves 20 h 40 after UA 2330 arrives on the timetable: more than half a day, so not a connection we count.