Kathmandu, April 11 -- A week after the country's only international airport grounded a Nepal Airlines flight citing new flight time regulations, airport officials have allowed a FlyDubai flight to take off past its flight deadline, displaying how haphazard the airport's management has been ever since runway renovation began.

On April 2, Nepal Airlines flight RA231 was scheduled to take off from Kathmandu's Tribhuvan International Airport for Dubai, but ended up being grounded overnight, for nearly 11 hours, because of new regulations regarding flight time limitations.

On Tuesday, Flydubai flight FZ574, which like the Nepal Airlines flight, had crossed regulatory time limits, was permitted to take off. Despite similar situations, airpor...