TK 9588 then QR 2971 at San Francisco
Portland (Oregon) → San Francisco → Seattle
Timetable, San Francisco time
15:15TK 9588 from Portland (Oregon) at the gate
16:21QR 2971 to Seattle leaves the gate
1 h 06 apart on the timetable
The last days
TK 9588 and QR 2971 weren’t both flown 15 min to 12 h apart in the last 21 days.
Statistics from past flights, not live flight information. Always check times and your connection with your airline, and don’t base travel or booking decisions on these numbers.