IAHKIAHNormal

George Bush Intercontinental Airport

Houston, United States · North America

Solid United hub with good lounges but sprawling layout and variable security.

Airportist Score

7.2/ 10

Passengers

50M+

Security

22 min

Nearby airports

Other airports within about 150 km.

All airports

IAHKIAHNormal30°C

George Bush Intercontinental Airport

Houston, United States · North America

Solid United hub with good lounges but sprawling layout and variable security.

Airportist Score

7.2/ 10

Passengers

50M+

Security

22 min

12 photos

Aerial photograph looking down at George Bush Intercontinental Airport showing parallel runways, clustered terminal buildings, and flat surrounding Texas landscape. — Photo: Formulanone
CC BY-SA 3.0 Source

Wide view of the bright, modern interior concourse in Terminal C with high ceilings, glass walls, moving walkways, and travelers walking with luggage. — Photo: Famartin
CC BY-SA 4.0 Source

Interior of the north concourse in Terminal C showing gate seating areas, flight information displays, and aircraft visible through tall windows. — Photo: BILLYF71
CC BY-SA 4.0 Source

A large illuminated Welcome to Houston sign inside the airport terminal with travelers passing nearby. — Photo: WhisperToMe
CC BY-SA 3.0 Source

Curbside view of Terminal C with separate upper-level departures roadway and lower-level arrivals lanes marked by signs. — Photo: RATSoftware
CC BY-SA 4.0 Source

The automated Skyway train car on an elevated track connecting terminals inside George Bush Intercontinental Airport. — Photo: Fdy3k
CC BY-SA 4.0 Source

An underground subway train at a station beneath George Bush Intercontinental Airport with platform signage and fluorescent lighting. — Photo: Fdy3k
CC BY-SA 4.0 Source

A TerminaLink tram car on its track outside the terminal buildings at George Bush Intercontinental Airport. — Photo: WhisperToMe
CC0 Source

Exterior view of Terminal E at George Bush Intercontinental Airport showing the terminal facade, roadway, and parked vehicles. — Photo: Bohao Zhao
CC BY 3.0 Source

Spacious interior of Terminal E with check-in counters, tall windows, and passengers moving through the departures hall. — Photo: WhisperToMe
CC BY-SA 3.0 Source

Close-up of the overhead sign reading Lewis W. Cutrer Terminal C at George Bush Intercontinental Airport. — Photo: WhisperToMe
Public domainSource

The passenger pickup waiting lot at George Bush Intercontinental Airport with rows of parked cars and signage for cellphone lot holders. — Photo: WhisperToMe
Public domainSource

Most important tips

Know before you go

A compact traveler cheat sheet for timing, terminals, food, and disruption checks.

Timing

Arrive 2 hours early for domestic

Security averages 15-30 min; add buffer for Terminal D international.

Peak mornings and evenings see longer lines at A/C.

Terminal

Use the train for connections

Subway train links all terminals landside; airside connections via moving walkways in C/E.

Avoid walking between A and E without the train.

Food

Grab at Terminal C before security

Better variety landside; airside options limited to chains.

United Clubs provide free snacks if eligible.

Status

United Gold gets Club access

Star Alliance Gold or United Club card unlocks multiple locations.

Centurion requires Amex Platinum and 3-hour rule for non-layovers.

Live airport status

Current operations

Guide quick facts

Pulled from the editorial markdown guide for IAH.

Updated Jul 10, 2026

5 terminals (A-E) connected by train
United Airlines primary hub
Terminal D for most international flights
Amex Centurion Lounge in D
METRO bus 102 to downtown for $1.25

5 official sources

Airportist Score Breakdown

Comfort7.3

Navigation6.8

Food7.0

Transport8.0

Disruption resilience7.0

Key Stats

Annual passengers

50M+

Terminals

5 active terminals

On-time departures

78%

Avg security

22 min

Best For

United connectionsLounge accessAffordable public transit

Watch Out For

Terminal sprawlPeak security linesLimited non-United lounges

Nearby airports

Other airports within about 150 km.

12 photos

Most important tips

Know before you go

A compact traveler cheat sheet for timing, terminals, food, and disruption checks.

Timing

Arrive 2 hours early for domestic

Security averages 15-30 min; add buffer for Terminal D international.

Peak mornings and evenings see longer lines at A/C.

Terminal

Use the train for connections

Subway train links all terminals landside; airside connections via moving walkways in C/E.

Avoid walking between A and E without the train.

Food

Grab at Terminal C before security

Better variety landside; airside options limited to chains.

United Clubs provide free snacks if eligible.

Status

United Gold gets Club access

Star Alliance Gold or United Club card unlocks multiple locations.

Centurion requires Amex Platinum and 3-hour rule for non-layovers.

Live airport status

Current operations

Guide quick facts

Pulled from the editorial markdown guide for IAH.

Updated Jul 10, 2026

5 terminals (A-E) connected by train
United Airlines primary hub
Terminal D for most international flights
Amex Centurion Lounge in D
METRO bus 102 to downtown for $1.25

5 official sources

Airportist Score Breakdown

Comfort7.3

Navigation6.8

Food7.0

Transport8.0

Disruption resilience7.0

Key Stats

Annual passengers

50M+

Terminals

5 active terminals

On-time departures

78%

Avg security

22 min

Best For

United connectionsLounge accessAffordable public transit

Watch Out For

Terminal sprawlPeak security linesLimited non-United lounges