Flights from and to Houston (IAH), and how full they run

George Bush Intercontinental Airport, United States. ScanSeats has route pages for 4 nonstop routes from Houston and 4 routes into it, each with every airline on the route and how full its flights run in each month, from the records airlines file with the U.S. government for flights to and from the United States.

See everywhere airlines fly from Houston in the route explorer

From Houston (IAH)

• Mexico City (MEX): United Airlines, Aeromexico, Viva, and Volaris, usually open in 4 months of 12
• Cancún (CUN): United Airlines, Spirit Airlines, and Frontier Airlines, usually open in 7 months of 12
• San Salvador (SAL): United Airlines, Avianca El Salvador, Volaris El Salvador, Spirit Airlines, and Frontier Airlines, usually open in 0 months of 12
• London (LHR): United Airlines and British Airways, usually open in 7 months of 12

To Houston (IAH)

• Mexico City (MEX): United Airlines, Aeromexico, Viva, and Volaris, usually open in 7 months of 12
• Cancún (CUN): United Airlines, Spirit Airlines, Frontier Airlines, and American Airlines, usually open in 7 months of 12
• San Salvador (SAL): United Airlines, Avianca El Salvador, Volaris El Salvador, Spirit Airlines, and Frontier Airlines, usually open in 1 month of 12
• London (LHR): United Airlines and British Airways, usually open in 9 months of 12

Usually open means every airline on the route ran 80 percent full or less on average for that month in recent years. These are how full flights have run, not live seats or fares.

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