DL 2919 then AM 665 at San Francisco
Boston → San Francisco → Mexico City
Timetable, San Francisco time
23:31DL 2919 from Boston at the gatealso SK 3585, AF 3726, LA 6228
22:23AM 665 to Mexico City leaves the gatealso WS 5764, WS 5776, WS 6160, DL 8039, SK 9503
22 h 52 apart on the timetable, overnight
AM 665 leaves 22 h 52 after DL 2919 arrives on the timetable: more than half a day, so not a connection we count.