QUICK ANSWER
IAH operates A, B, C, D and E.
01
Stay airside
For a normal connection after security, use Skyway rather than the landside Subway.
02
International connection
Immigration and baggage can add significant time before the onward flight.
03
Baggage claim
IAH publishes terminal-specific baggage information; confirm where your airline delivers bags.
Frequently asked questions
Can I move between all IAH terminals after security?
Skyway connects the terminal complex airside.
Is the Subway useful for a connection?
Only if your journey is already landside; leaving security just to use it can create unnecessary re-screening.
✓
Sources and verification
Time-sensitive airport, airline, visa, security and transport details should always be confirmed with the relevant official source before travel.