UA 3236 then AA 2196 at Houston
South Bend → Houston → Philadelphia
Timetable, Houston time
13:30UA 3236 from South Bend at the gate
12:26AA 2196 to Philadelphia leaves the gate
22 h 56 apart on the timetable, overnight
AA 2196 leaves 22 h 56 after UA 3236 arrives on the timetable: more than half a day, so not a connection we count.