AA 977 then AA 6220 at DFW
Harrisburg → Dallas-Fort Worth → Cedar Rapids
Timetable, Dallas-Fort Worth time
09:03AA 977 from Harrisburg at the gate
21:31AA 6220 to Cedar Rapids leaves the gate
12 h 28 apart on the timetable
AA 6220 leaves 12 h 28 after AA 977 arrives on the timetable: more than half a day, so not a connection we count.