K4 579 then UA 2290 at O'Hare
Fairbanks → Chicago → Dallas-Fort Worth
Timetable, Chicago time
16:23K4 579 from Fairbanks at the gate
13:30UA 2290 to Dallas-Fort Worth leaves the gate
21 h 07 apart on the timetable, overnight
UA 2290 leaves 21 h 07 after K4 579 arrives on the timetable: more than half a day, so not a connection we count.