EI 7327 then AF 2404 at San Francisco
Chicago O'Hare → San Francisco → Seattle
Timetable, San Francisco time
09:40EI 7327 from Chicago O'Hare at the gate
10:38AF 2404 to Seattle leaves the gate
58 min apart on the timetable
The last days
EI 7327 and AF 2404 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.