F9 3241 then AA 3949 at DFW
Chicago O'Hare → Dallas-Fort Worth → Houston Hobby
Timetable, Dallas-Fort Worth time
13:23F9 3241 from Chicago O'Hare at the gate
12:20AA 3949 to Houston Hobby leaves the gate
22 h 57 apart on the timetable, overnight
AA 3949 leaves 22 h 57 after F9 3241 arrives on the timetable: more than half a day, so not a connection we count.