DL 2503 then CX 99 at O'Hare
New York LaGuardia → Chicago → Anchorage
Timetable, Chicago time
19:25DL 2503 from New York LaGuardia at the gate
19:15CX 99 to Anchorage leaves the gate
23 h 50 apart on the timetable, overnight
CX 99 leaves 23 h 50 after DL 2503 arrives on the timetable: more than half a day, so not a connection we count.