The flight distance from Chengdu Shuangliu International Airport (CTU) in Chengdu, China to Fernando Luis Ribas Dominicci Airport (SIG) in San Juan, United States is 14,459 kilometers (8,985 miles / 7,807 nautical miles). The estimated flight time for this route is approximately 18h, flying north northwest at a heading of 348°.

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 United States. 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 10:51 in Chengdu, it's 22:51 in San Juan. 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 1,615 feet between the two airports. Fernando Luis Ribas Dominicci Airport sits lower than Chengdu Shuangliu International Airport.

The return flight from San Juan (SIG) to Chengdu (CTU) follows a heading of 11° (north). 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 Fernando Luis Ribas Dominicci Airport (SIG) detail pages, or use our flight duration calculator to compare other routes.