K4 551 then UA 441 at O'Hare
Anchorage → Chicago → Dallas-Fort Worth
Timetable, Chicago time
16:28K4 551 from Anchorage at the gate
11:47UA 441 to Dallas-Fort Worth leaves the gate
19 h 19 apart on the timetable, overnight
UA 441 leaves 19 h 19 after K4 551 arrives on the timetable: more than half a day, so not a connection we count.