100 flights delayed at Delhi Airport due to technical issue with ATC system, airlines issue advisories

NEW DELHI: At least 100 flights were delayed on Friday morning at Delhi’s Indira Gandhi International Airport (IGIA) due to a technical issue with the Air Traffic Control (ATC) system, according to Delhi Airport.

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”.

Passenger Advisory issued at 08:34 Hours#DelhiAirport #PassengerAdvisory #DELAdvisory pic.twitter.com/ckfpibIazv

— Delhi Airport (@DelhiAirport) November 7, 2025

“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.

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.

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).

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.

Several airlines, including Air India, IndiGo, and SpiceJet on Friday issued advisories alerting passengers about possible delays following disruptions in flight operations at the Indira Gandhi International Airport in the national capital.

In a post on X, SpiceJet shared, “Due to ATC (Air Traffic Control) congestion at Delhi, all Departures/Arrivals and their consequential flights might get affected. Passengers are requested to keep a check on their flight status via spicejet.com.
https://x.com/flyspicejet/status/1986625473905152128
“A technical issue with the ATC system in Delhi is impacting flight operations across all airlines, leading to delays and longer wait times at the airport and onboard aircraft. We regret the inconvenience caused by this unforeseen disruption, which is beyond our control, and appreciate your patience,” the post on X by Air India.

#TravelAdvisory

A technical issue with the ATC system in Delhi is impacting flight operations across all airlines, leading to delays and longer wait times at the airport and onboard aircraft. We regret the inconvenience caused by this unforeseen disruption, which is beyond our…

— Air India (@airindia) November 7, 2025

“Our cabin crew and on-ground staff at the airport are extending immediate assistance to reduce passenger inconvenience. We request that you check your flight status before heading to the airport,” the post read.

IndiGo also assured that its crew and ground teams were assisting passengers and advised them to check the website for the latest flight updates.

“Flight operations at Delhi Airport are currently experiencing delays due to a technical issue with the Air Traffic Control (ATC) system. As a result, flight operations at Delhi and several northern regions are impacted. We understand that extended wait times, both on the ground and onboard, may cause inconvenience, and we sincerely appreciate your patience,” wrote IndiGo in a post on X.

#6ETravelAdvisory

Flight operations at #Delhi Airport are currently experiencing delays due to a technical issue with the Air Traffic Control (ATC) system. As a result, flight operations at Delhi and several northern regions are impacted.

We understand that extended wait times,…

— IndiGo (@IndiGo6E) November 7, 2025

“Please be assured that our crew and ground teams are actively assisting and doing their best to make your wait as smooth as possible. For the latest updates on your flight, we encourage you to check our website. Thank you for your continued understanding,” the post read. (ANI)