CI 5345 then UA 796 at San Francisco
Atlanta → San Francisco → Boston
Timetable, San Francisco time
14:26CI 5345 from Atlanta at the gate
21:30UA 796 to Boston leaves the gatealso VA 8308, NZ 9012
7 h 04 apart on the timetable
The last days
CI 5345 and UA 796 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.