UA 3238 then UA 3905 at Houston
St Louis → Houston → Chicago
Timetable, Houston time
11:10UA 3238 from St Louis at the gate
23:00UA 3905 to Chicago leaves the gate
11 h 50 apart on the timetable
The last days
UA 3238 and UA 3905 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.
Later flights to Chicago
No later flight to Chicago on the timetable.