This is to allow the National Airports Corporation to carry out maintenance works on the runway, Air Niugini said.
"Link PNG now operates up to four daily flights to Mt Hagen - two of these are operated by Q400 while the remainder are operated by Dash 8.
"The runway works will continue for up to three months. We regret the inconvenience this may cause to the traveling public which is outside our control, and we appreciate your understanding," the airline said
