The Indira Gandhi International Airport in Delhi tops the list of airports with the least timely arrivals.
According to the news article published in Forbes, Delhi is followed by Beijing among the top airports with the least timely arrivals.
Airports in Japan and Korea are the world's least delayed, the news report said.
For departures, Dubai International Airport and Moscow Sheremetyevo International Airport follow Beijing, the news report said.
Forbes said that the analysis are based in the statistics received from FlightStats, a service that tracks historical and real-time flight information around the globe.