AA 2614 then DL 1564 at O'Hare
San Francisco → Chicago → Seattle (SEA)
Timetable, Chicago time
12:29AA 2614 from San Francisco at the gate
12:00DL 1564 to Seattle (SEA) leaves the gate
23 h 31 apart on the timetable, overnight
DL 1564 leaves 23 h 31 after AA 2614 arrives on the timetable: more than half a day, so not a connection we count.