LA 6139 then AM 665 at San Francisco
Boston → San Francisco → Mexico City
Timetable, San Francisco time
00:24LA 6139 from Boston at the gate
22:23AM 665 to Mexico City leaves the gatealso WS 5764, WS 5776, WS 6160, DL 8039, SK 9503
21 h 59 apart on the timetable
AM 665 leaves 21 h 59 after LA 6139 arrives on the timetable: more than half a day, so not a connection we count.