UA 1385 then AS 2138 at San Francisco
Baltimore → San Francisco → Los Angeles
Timetable, San Francisco time
17:38UA 1385 from Baltimore at the gatealso VA 8051
22:13AS 2138 to Los Angeles leaves the gate
4 h 35 apart on the timetable
The last days
UA 1385 and AS 2138 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.