AC 3997 then UA 4656 at San Francisco
Boise → San Francisco → Minneapolis
Timetable, San Francisco time
09:23AC 3997 from Boise at the gatealso UA 4639
10:20UA 4656 to Minneapolis leaves the gate
57 min apart on the timetable
The last days
AC 3997 and UA 4656 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.