AC 3344 then UA 3906 at San Francisco
Portland (Oregon) → San Francisco → Chicago O'Hare
Timetable, San Francisco time
12:58AC 3344 from Portland (Oregon) at the gatealso EK 6319
19:30UA 3906 to Chicago O'Hare leaves the gate
6 h 32 apart on the timetable
Today
From the airport’s board at 15:59 San Francisco time
13:00AC 3344 reached the gate2 min late
19:30UA 3906 due to leave, no estimate yet
6 h 30 between the gates, on these times
The last days
AC 3344 and UA 3906 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.