K4 579 then UA 5789 at O'Hare
Fairbanks → Chicago → San Antonio
Timetable, Chicago time
16:23K4 579 from Fairbanks at the gate
13:30UA 5789 to San Antonio leaves the gate
21 h 07 apart on the timetable, overnight
UA 5789 leaves 21 h 07 after K4 579 arrives on the timetable: more than half a day, so not a connection we count.