UA 2124 then MQ 4262 at O'Hare
Houston → Chicago → Cincinnati Northern Kentucky
Timetable, Chicago time
12:29UA 2124 from Houston at the gate
00:57MQ 4262 to Cincinnati Northern Kentucky leaves the gate
12 h 28 apart on the timetable, overnight
MQ 4262 leaves 12 h 28 after UA 2124 arrives on the timetable: more than half a day, so not a connection we count.