TK 9588 then AA 1849 at San Francisco
Portland (Oregon) → San Francisco → Dallas-Fort Worth
Timetable, San Francisco time
15:15TK 9588 from Portland (Oregon) at the gate
11:20AA 1849 to Dallas-Fort Worth leaves the gatealso QF 4499, G3 6290, GF 6536, RJ 7530
20 h 05 apart on the timetable, overnight
AA 1849 leaves 20 h 05 after TK 9588 arrives on the timetable: more than half a day, so not a connection we count.