WS 6161 then UA 8153 at San Francisco
Mexico City → San Francisco → Washington
Timetable, San Francisco time
12:38WS 6161 from Mexico City at the gate
22:53UA 8153 to Washington leaves the gate
10 h 15 apart on the timetable
The last days
WS 6161 and UA 8153 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.