Delhi airport, the country's busiest airport, plunged into chaos on Friday as more than 300 domestic as well as international flights were delayed due to technical problems with the air traffic control system, sources said.

All airline operations at the airport have been impacted and authorities are working to fix the issues.

IndiGo, Air India, Air India Express, SpiceJet and Akasa Air said there are delays in their flights at the Delhi airport due to the issues with the air traffic control system.

The national capital's Indira Gandhi International Airport (IGIA), the country's busiest airport, handles more than 1,500 flight movements daily.

Airports Authority of India (AAI) said flight operations at the Delhi airport are facing delays due to a technical issue in the Automatic Message

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