The flight distance from Harry Reid International Airport (LAS) in Las Vegas, United States to Prince Mangosuthu Buthelezi Airport (ULD) in Ulundi, South Africa is 16,771 kilometers (10,421 miles / 9,056 nautical miles). The estimated flight time for this route is approximately 21h, flying east at a heading of 84°.

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 South Africa. 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 01:39 in Las Vegas, it's 10:39 in Ulundi. With a 9-hour time difference, travelers should plan for significant jet lag. It typically takes one day per hour of time difference to fully adjust.

The return flight from Ulundi (ULD) to Las Vegas (LAS) follows a heading of 294° (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 Harry Reid International Airport (LAS) and Prince Mangosuthu Buthelezi Airport (ULD) detail pages, or use our flight duration calculator to compare other routes.