The flight distance from Wellington International Airport (WLG) in Wellington, New Zealand to Slave Lake Airport (YZH) in Slave Lake, Canada is 12,626 kilometers (7,846 miles / 6,818 nautical miles). The estimated flight time for this route is approximately 16h, flying northeast at a heading of 36°.

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 New Zealand with Canada. 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 17:17 in Wellington, it's 23:17 in Slave Lake. With a 18-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 1,871 feet between the two airports. Slave Lake Airport sits higher than Wellington International Airport.

The return flight from Slave Lake (YZH) to Wellington (WLG) follows a heading of 231° (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 Wellington International Airport (WLG) and Slave Lake Airport (YZH) detail pages, or use our flight duration calculator to compare other routes.