UA 2330 then AS 1340 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
17:42AS 1340 to Seattle leaves the gatealso QR 3438, AA 7579
19 h 52 apart on the timetable, overnight
AS 1340 leaves 19 h 52 after UA 2330 arrives on the timetable: more than half a day, so not a connection we count.