The flight distance from Chicago O'Hare International Airport (ORD) in Chicago, United States to Port Harcourt International Airport (PHC) in Port Harcourt, Nigeria is 10,034 kilometers (6,235 miles / 5,418 nautical miles). The estimated flight time for this route is approximately 13h, flying east at a heading of 83°.

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 Nigeria. 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 02:32 in Chicago, it's 09:32 in Port Harcourt. 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.

The return flight from Port Harcourt (PHC) to Chicago (ORD) follows a heading of 312° (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 Chicago O'Hare International Airport (ORD) and Port Harcourt International Airport (PHC) detail pages, or use our flight duration calculator to compare other routes.