AA 3551 then FX 9791 at O'Hare
Minneapolis → Chicago → Anchorage
Timetable, Chicago time
12:18AA 3551 from Minneapolis at the gate
04:00FX 9791 to Anchorage leaves the gate
15 h 42 apart on the timetable, overnight
FX 9791 leaves 15 h 42 after AA 3551 arrives on the timetable: more than half a day, so not a connection we count.