UA 6020 then AA 4540 at O'Hare
Greensboro → Chicago → Houston
Timetable, Chicago time
12:29UA 6020 from Greensboro at the gate
15:12AA 4540 to Houston leaves the gate
2 h 43 apart on the timetable
The last days
UA 6020 and AA 4540 weren’t both flown 15 min to 12 h apart in the last 21 days.
Statistics from past flights, not live flight information. Always check times and your connection with your airline, and don’t base travel or booking decisions on these numbers.