AA 2230 then UA 4657 at Houston
Miami → Houston → Colorado Springs
Timetable, Houston time
23:58AA 2230 from Miami at the gate
20:08UA 4657 to Colorado Springs leaves the gate
20 h 10 apart on the timetable, overnight
UA 4657 leaves 20 h 10 after AA 2230 arrives on the timetable: more than half a day, so not a connection we count.