The flight distance from George Bush Intcntl/Houston Airport (IAH) in Houston, United States to Nova Lisboa Airport (NOV) in Huambo, Angola is 12,733 kilometers (7,912 miles / 6,875 nautical miles). The estimated flight time for this route is approximately 16h, flying east at a heading of 91°.

This is an ultra-long-haul route, one of the longest in aviation. It requires wide-body aircraft with extended range capability such as the Airbus A350-900ULR or Boeing 777-200LR. Passengers should prepare for an extended flight with multiple meal services.

This is an international route connecting United States with Angola. It is an intercontinental flight between North America and Africa. Travelers should check visa requirements, customs regulations, and any travel advisories before booking.

Time zone information: When it's 13:18 in Houston, it's 20:18 in Huambo. With a 7-hour time difference, travelers should plan for significant jet lag. It typically takes one day per hour of time difference to fully adjust.

There is a significant elevation difference of 5,491 feet between the two airports. Nova Lisboa Airport sits higher than George Bush Intcntl/Houston Airport. Travelers arriving at the higher-elevation airport should be aware of potential altitude effects.

The return flight from Huambo (NOV) to Houston (IAH) follows a heading of 297° (west northwest). Actual flight times may vary depending on wind conditions, air traffic, and the specific aircraft used.

For more information about these airports, visit the George Bush Intcntl/Houston Airport (IAH) and Nova Lisboa Airport (NOV) detail pages, or use our flight duration calculator to compare other routes.