UA 535 then DL 2403 at Houston
Chicago → Houston → Atlanta
Timetable, Houston time
12:24UA 535 from Chicago at the gate
18:19DL 2403 to Atlanta leaves the gate
5 h 55 apart on the timetable
Today
From the airport’s board at 15:25 Houston time
12:19UA 535 reached the gate5 min early
18:19DL 2403 due to leave, no estimate yet
6 h between the gates, on these times
The last days
UA 535 and DL 2403 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.