"Technical teams are working to restore system": AAI as Delhi Airport ATC glitch disrupt flight ops

New Delhi [India], November 7 (ANI): The Airports Authority of India (AAI) on Friday said that technical teams are working to restore the Automatic Message Switching System (AMSS), which supports Air Traffic Control (ATC) data, after a technical issue disrupted operations at Delhi's Indira Gandhi International Airport (IGIA).
As a result, around 100 flights were delayed in the morning, according to Delhi Airport.
AAI added that controllers are currently processing flight plans manually, resulting in further delays.
In a post on X, AAI wrote, "Flight operations at Delhi Airport are experiencing delays due to a technical issue in the Automatic Message Switching System (AMSS), which supports Air Traffic Control data."

Flight operations at Delhi Airport are experiencing delays due to a technical issue in the Automatic Message Switching System (AMSS), which supports Air Traffic Control data. Controllers are processing flight plans manually, leading to some delays. Technical teams are working to…

— Airports Authority of India (@AAI_Official) November 7, 2025

"Controllers are processing flight plans manually, leading to some delays. Technical teams are working to restore the system at the earliest. We appreciate the understanding and cooperation of all passengers and stakeholders," the post read.
Passengers have been advised to contact their respective airlines for the latest flight updates.
In a post on X, Delhi Airport shared, "Due to a technical issue with the Air Traffic Control (ATC) system, flight operations at IGIA are experiencing delays. Their team is actively working with all stakeholders, including DIAL, to resolve it at the earliest."
"Passengers are advised to stay in touch with their respective airlines for the latest flight updates. We sincerely regret the inconvenience caused," the post read.
Several airlines, including Air India, IndiGo, and SpiceJet issued advisories alerting passengers about possible delays following disruptions in flight operations at the Indira Gandhi International Airport in the national capital.
Flyers were advised to check flight status updates before leaving for the airport.
The airlines assured that their staff are assisting passengers to minimise inconvenience.
Air traffic control (ATC) refers to a ground-based service in which controllers manage and guide the movement of aircraft both on the ground and within controlled airspace. (ANI)