BR 683 then 7L 4871 at O'Hare
Toronto Pearson → Chicago → Houston
Timetable, Chicago time
15:35BR 683 from Toronto Pearson at the gate
20:307L 4871 to Houston leaves the gate
4 h 55 apart on the timetable
The last days
BR 683 and 7L 4871 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.