UA 4530 then TK 6015 at O'Hare
Chattanooga → Chicago → Houston
Timetable, Chicago time
19:05UA 4530 from Chattanooga at the gate
06:30TK 6015 to Houston leaves the gate
11 h 25 apart on the timetable, overnight
The last days
UA 4530 and TK 6015 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.