TK 9588 then UA 1852 at San Francisco
Portland (Oregon) → San Francisco → Dallas-Fort Worth
Timetable, San Francisco time
10:55TK 9588 from Portland (Oregon) at the gate
23:59UA 1852 to Dallas-Fort Worth leaves the gatealso AC 4206
13 h 04 apart on the timetable
UA 1852 leaves 13 h 04 after TK 9588 arrives on the timetable: more than half a day, so not a connection we count.