AC 4121 then WS 1501 at San Francisco
Ontario → San Francisco → Calgary
Timetable, San Francisco time
17:50AC 4121 from Ontario at the gate
16:40WS 1501 to Calgary leaves the gatealso QF 3363, EK 4659, FJ 6005, AM 7145, SK 9551, KL 9681
22 h 50 apart on the timetable, overnight
WS 1501 leaves 22 h 50 after AC 4121 arrives on the timetable: more than half a day, so not a connection we count.