CV 251 then UA 247 at O'Hare
Anchorage → Chicago → Omaha
Timetable, Chicago time
19:00CV 251 from Anchorage at the gate
12:40UA 247 to Omaha leaves the gate
17 h 40 apart on the timetable, overnight
UA 247 leaves 17 h 40 after CV 251 arrives on the timetable: more than half a day, so not a connection we count.