AA 597 then CI 5239 at O'Hare
San Francisco → Chicago → Anchorage
Timetable, Chicago time
23:55AA 597 from San Francisco at the gate
16:50CI 5239 to Anchorage leaves the gate
16 h 55 apart on the timetable, overnight
CI 5239 leaves 16 h 55 after AA 597 arrives on the timetable: more than half a day, so not a connection we count.