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George Bush Intercontinental Airport is Houston’s primary global gateway and one of the most important international airports in the South-Central United States. It is the larger of Houston’s two major commercial airports and serves as the region’s main long-haul hub.
Quick Answer (2026): George Bush Intercontinental Airport handled over 48 million passengers in 2025. The airport also had a record 12.4 million international passengers, with 26 passenger airlines serving 189 nonstop destinations.
George Bush Intercontinental key statistics
| Metric | Latest figure | Year |
|---|---|---|
| Total passengers | Over 48 million | 2025 |
| International passengers | 12.4 million | 2025 |
| Passenger airlines | 26 | 2025 |
| Nonstop destinations | 189 | 2025 |
| Domestic destinations | 118 | 2025 |
| International destinations | 71 | 2025 |
How many passengers use George Bush Intercontinental?
Houston Airports says IAH handled over 48 million passengers in 2025. That keeps Bush Intercontinental in the top tier of U.S. airports and reinforces its role as the anchor of the Houston airport system.
Houston Airports also said IAH handled 48.4 million total passengers in 2024, so the airport remained at roughly that scale heading into 2026.
International traffic at IAH
The biggest current stat for IAH is international traffic. Houston Airports said Bush Airport reached a record 12.4 million international passengers in 2025, up 2.5% from 2024.
That makes IAH especially important because it is not just a large domestic airport. It is also one of the leading international gateways in the region, with strong links to Latin America, Europe, Canada, and Asia.
How many airlines and destinations does IAH serve?
In 2025, the airport listed 26 passenger airlines and 189 nonstop destinations, including 118 domestic and 71 international destinations.
That is one of the strongest current route-network profiles in this entire airport batch.
FAQ
How many passengers used George Bush Intercontinental in 2025?
IAH handled over 48 million passengers in 2025.
How many international passengers used IAH in 2025?
IAH recorded 12.4 million international passengers in 2025.
How many destinations does IAH serve?
IAH served 189 nonstop destinations in 2025.
How many airlines serve IAH?
IAH had 26 passenger airlines in 2025.
Sources / References
