AC 3338 then UA 8135 at San Francisco
Portland (Oregon) → San Francisco → Denver
Timetable, San Francisco time
15:15AC 3338 from Portland (Oregon) at the gatealso VA 8585, NZ 9358
18:00UA 8135 to Denver leaves the gate
2 h 45 apart on the timetable
The last days
AC 3338 and UA 8135 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.