TK 9588 then UA 1334 at San Francisco
Portland (Oregon) → San Francisco → Toronto
Timetable, San Francisco time
10:55TK 9588 from Portland (Oregon) at the gate
23:29UA 1334 to Toronto leaves the gatealso AC 4067
12 h 34 apart on the timetable
UA 1334 leaves 12 h 34 after TK 9588 arrives on the timetable: more than half a day, so not a connection we count.