BR 642 then UA 1495 at O'Hare
Anchorage → Chicago → Tulsa
Timetable, Chicago time
09:02BR 642 from Anchorage at the gate
21:29UA 1495 to Tulsa leaves the gate
12 h 27 apart on the timetable
UA 1495 leaves 12 h 27 after BR 642 arrives on the timetable: more than half a day, so not a connection we count.