OO 6058 then DL 2943 at O'Hare
Sioux City → Chicago → New York LaGuardia
Timetable, Chicago time
21:49OO 6058 from Sioux City at the gate
14:00DL 2943 to New York LaGuardia leaves the gate
16 h 11 apart on the timetable, overnight
DL 2943 leaves 16 h 11 after OO 6058 arrives on the timetable: more than half a day, so not a connection we count.