CM 1431 then B6 1534 at San Francisco
Redmond → San Francisco → Boston
Timetable, San Francisco time
21:19CM 1431 from Redmond at the gatealso UA 5534
22:10B6 1534 to Boston leaves the gatealso EY 8032
51 min apart on the timetable
The last days
CM 1431 and B6 1534 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.
Later flights to Boston
UA 166523:202 h 01 after CM 1431 on the timetablenot a partner airline