The flight distance from Chengdu Shuangliu International Airport (CTU) in Chengdu, China to Union Island International Airport (UNI) in Union Island, Saint Vincent is 14,965 kilometers (9,299 miles / 8,080 nautical miles). The estimated flight time for this route is approximately 19h, flying north northwest at a heading of 340°.

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 China with Saint Vincent. It is an intercontinental flight between Asia and North America. Travelers should check visa requirements, customs regulations, and any travel advisories before booking.

Time zone information: When it's 03:56 in Chengdu, it's 15:56 in Union Island. With a 12-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 1,609 feet between the two airports. Union Island International Airport sits lower than Chengdu Shuangliu International Airport.

The return flight from Union Island (UNI) to Chengdu (CTU) follows a heading of 18° (north northeast). Actual flight times may vary depending on wind conditions, air traffic, and the specific aircraft used.

For more information about these airports, visit the Chengdu Shuangliu International Airport (CTU) and Union Island International Airport (UNI) detail pages, or use our flight duration calculator to compare other routes.