UA 2330 then AC 571 at San Francisco
Dallas-Fort Worth → San Francisco → Vancouver
Timetable, San Francisco time
21:50UA 2330 from Dallas-Fort Worth at the gatealso AC 3970, OZ 6314, VA 8276, NZ 9093
16:55AC 571 to Vancouver leaves the gatealso TP 8023
19 h 05 apart on the timetable, overnight
AC 571 leaves 19 h 05 after UA 2330 arrives on the timetable: more than half a day, so not a connection we count.