India, April 12 -- Passengers at the Indira Gandhi International Airport (IGIA) in Delhi are facing significant flight delays and disruptions following the closure of one of the airport's four runways for maintenance work that began on Tuesday.

Airport officials confirmed that Delhi Airport, India's busiest air terminal, is handling approximately 200 fewer flights daily since April 9 when runway 28/10 was closed for upgrades.

"The airport handles around 46 arrivals every hour. Since runway 28/10 [closed], as of now, maximum of 36 arrivals are being handled," an official told HT, asking not to be named.

Accounts by several people suggested that airline operations may not have adjusted to the closure - which was a planned shutdown announ...