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✈️ IAH · Houston, United States

Traveling Through IAH — George Bush Intercontinental Airport

George Bush Intercontinental Airport serves 5 terminals, 6 airlines. Everything you need to know before you fly — terminals, transit, tips, and more.

48M passengers/year (2024) · Updated March 2026


📋 Key Facts for Your Trip

Essential info before you fly through IAH

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Terminals
5 terminals (Terminal A, Terminal B, Terminal C, Terminal D, Terminal E)
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Domestic Check-in
45 minutes before departure
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International Check-in
3 hours before departure
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WiFi
Free Wi-Fi throughout all terminals
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Power Outlets
Available at most gates
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Annual Passengers
48M passengers/year (2024)

✈️ Airlines at IAH

Terminal assignments — always confirm with your airline before travel

Airline Terminal(s)
United Airlines Terminal ATerminal BTerminal CTerminal E
Spirit Airlines Terminal D
Frontier Airlines Terminal D
British Airways Terminal D
Lufthansa Terminal D
Air France Terminal D

🚗 Getting To & From IAH

Ground transportation options for Houston

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Bus / Shuttle

METRO bus routes to various Houston areas

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Rideshare

Uber/Lyft at designated pickup areas

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Taxi

Available at all terminals; metered fare to downtown Houston ~$50-65

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Parking

$10/day (Economy lots) · $25/day (Garage)

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Rental Cars

Rental Car Center accessible via shuttle


🍽️ Inside IAH

Food, lounges, and shopping at George Bush Intercontinental Airport

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Food & Dining

Before security: Restaurants and cafes in all terminals · After security: Good selection; Texas-themed dining options

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Lounges

United Polaris Lounge (Terminal C)United Club (Terminals B, C, E)British Airways Galleries Club (Terminal D)

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Shopping

Texas-themed gifts, various retail throughout all terminals


💡 Frequent Traveler Tips for IAH

Insider knowledge to make your time at George Bush Intercontinental Airport smoother

  • 1 IAH is United Airlines' second-largest hub — most flights are on United
  • 2 Terminal D is the international terminal with the best lounges
  • 3 The terminals are connected by an underground people mover
  • 4 Houston traffic can be bad — allow 2+ hours to reach the airport
  • 5 Texas BBQ options are available throughout the airport

📱 Real-Time Flight Tracking

Track Your Flight from IAH — Automatically

TripTrack shows your terminal, gate, and real-time delay status the moment you book. Connect your Gmail once and your trips appear automatically — no manual entry.


Frequently Asked Questions — IAH

How many terminals does IAH (George Bush Intercontinental Airport) have?

George Bush Intercontinental Airport has 5 terminals: Terminal A, Terminal B, Terminal C, Terminal D, Terminal E. Always confirm your terminal with your airline before travel, as assignments can change.

Does IAH have free WiFi?

Free Wi-Fi throughout all terminals. For real-time connectivity updates and to stay on top of gate changes, download TripTrack — it tracks your flight automatically.

How early should I arrive at IAH?

For domestic flights, check-in closes 45 minutes before departure. For international flights, check-in closes 3 hours before departure. As a general rule, arrive at least 2 hours before domestic flights and 3 hours before international flights to allow time for check-in, security, and reaching your gate.

What airlines fly from IAH?

George Bush Intercontinental Airport is served by 6 airlines, including United Airlines, Spirit Airlines, Frontier Airlines, British Airways, Lufthansa and 1 more. See the full airline and terminal list above.

How do I get from IAH to Houston?

Ground transportation options from George Bush Intercontinental Airport include bus/shuttle service, rideshare apps, taxi. See the Getting To & From section above for details.

Is there parking at IAH?

Yes, George Bush Intercontinental Airport offers parking options. $10/day (Economy lots) $25/day (Garage) Rates and availability change — check the airport website for current pricing.

How can I track my flight from IAH in real time?

TripTrack automatically tracks your flights from George Bush Intercontinental Airport — showing real-time gate changes, delays, and terminal info. Connect your Gmail once and your trips appear automatically. Available free on iOS and Android.