AC 4033 then UA 8222 at San Francisco
Albuquerque → San Francisco → Boston
Timetable, San Francisco time
08:25AC 4033 from Albuquerque at the gatealso UA 5286, NH 7329, NZ 9233
13:15UA 8222 to Boston leaves the gate
4 h 50 apart on the timetable
The last days
AC 4033 and UA 8222 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.