AM 668 then QR 2091 at San Francisco
Mexico City → San Francisco → Santa Ana
Timetable, San Francisco time
11:38AM 668 from Mexico City at the gatealso WS 6113, DL 8009
09:00QR 2091 to Santa Ana leaves the gate
21 h 22 apart on the timetable, overnight
QR 2091 leaves 21 h 22 after AM 668 arrives on the timetable: more than half a day, so not a connection we count.