The flight distance from Enua Airport (AIU) in Atiu Island, CK to Chicago O'Hare International Airport (ORD) in Chicago, United States is 9,956 kilometers (6,186 miles / 5,376 nautical miles). The estimated flight time for this route is approximately 13h, flying northeast at a heading of 44°.

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 CK with United States. It is an intercontinental flight between Oceania and North America. Travelers should check visa requirements, customs regulations, and any travel advisories before booking.

Time zone information: When it's 23:20 in Atiu Island, it's 03:20 in Chicago. The 4-hour time difference may cause some jet lag. Most travelers adjust within a day or two.

The return flight from Chicago (ORD) to Atiu Island (AIU) follows a heading of 242° (west southwest). Actual flight times may vary depending on wind conditions, air traffic, and the specific aircraft used.

For more information about these airports, visit the Enua Airport (AIU) and Chicago O'Hare International Airport (ORD) detail pages, or use our flight duration calculator to compare other routes.