F9 4504 then CX 99 at O'Hare
Dallas-Fort Worth → Chicago → Anchorage
Timetable, Chicago time
23:13F9 4504 from Dallas-Fort Worth at the gate
19:15CX 99 to Anchorage leaves the gate
20 h 02 apart on the timetable, overnight
CX 99 leaves 20 h 02 after F9 4504 arrives on the timetable: more than half a day, so not a connection we count.