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<p>Over 400 flights have been disrupted on Friday (November 7) due to a major technical glitch in the Air Traffic Control (ATC) system at the Indira Gandhi International Airport (IGIA). Airlines like Air India, IndiGo, SpiceJet, among others, issued advisories.</p>
<p>Passengers reported delays, with extended waiting times both at the airport and onboard aircraft.</p>
<p>Informing through X, Delhi Airport wrote, “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.”</p>
<p>"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 restore the system at the earliest. We appreciate the understanding and cooperation of all passengers and stakeholders," wrote the Airports Authority of India on X.</p>
<blockquote><p dir="ltr" lang="en" xml:lang="en">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…</p>
<p>— Airports Authority of India (@AAI_Official) <a href="https://twitter.com/AAI_Official/status/1986654415454155144?ref_src=twsrc%5Etfw">November 7, 2025</a></p></blockquote>
<script async="" src="https://platform.twitter.com/widgets.js" charset="utf-8"></script><h2><strong>Indigo Airlines advisory on X</strong></h2>
<p>“The Automatic Message Switching System (AMSS) system issue impacting ATC operations is still being resolved, and delays may continue across airlines at Delhi and a few airports in the northern region until the system is fully restored,” Indigo Airlines said on X.</p>
<blockquote><p dir="ltr" lang="en" xml:lang="en"><a href="https://twitter.com/hashtag/6ETravelAdvisory?src=hash&amp;ref_src=twsrc%5Etfw">#6ETravelAdvisory</a></p>
<p>Due to an ongoing technical issue with the Automatic Message Switching System (AMSS) that supports Air Traffic Control data, flights across all airlines at <a href="https://twitter.com/hashtag/DelhiAirport?src=hash&amp;ref_src=twsrc%5Etfw">#DelhiAirport</a> and some other airports in the northern region are currently experiencing delays.</p>
<p>We…</p>
<p>— IndiGo (@IndiGo6E) <a href="https://twitter.com/IndiGo6E/status/1986682612359065648?ref_src=twsrc%5Etfw">November 7, 2025</a></p></blockquote>
<script async="" src="https://platform.twitter.com/widgets.js" charset="utf-8"></script><h2><strong>Air India Express</strong></h2>
<p>Similarly, Air India Express spokesperson said, “Air India Express operates about 60 direct flights daily to 25 domestic destinations from Delhi Terminal 1 and four international flights from Terminal 3. Our teams are actively assisting guests at the airport and working closely with the authorities to minimise delays.”</p>
<p>Earlier in the week, the airport experienced minor disruptions due to third-party connectivity issues affecting check-in systems, which caused delays for a few airlines. That issue was reportedly resolved on Wednesday, allowing normal operations to resume. However, Friday's ATC system glitch is separate and has affected a larger number of flights.</p>
<p>Passengers are advised to monitor their flight status closely and arrive at the airport well ahead of their scheduled departure times, the airlines said. Authorities continued working to restore full operational efficiency at the airport.</p>
<p><strong>Also Read: <a href="http://zeebiz.com/economy-infra/aviation/news-delhi-airport-news-domestic-flight-delays-due-to-technical-glitch-air-india-indigo-spicejet-issue-passenger-advisories-382740" target="_blank">Flights delayed at Delhi airport due to ATC glitch; Air India, IndiGo, SpiceJet &amp; other airlines issue advisories</a></strong></p>


Over 400 flights have been disrupted on Friday (November 7) due to a major technical glitch in the Air Traffic Control (ATC) system at the Indira Gandhi International Airport (IGIA). Airlines like Air India, IndiGo, SpiceJet, among others, issued advisories.Passengers reported delays, with extended waiting times both at the airport and onboard aircraft.Informing through X, Delhi Airport wrote, “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.”"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 restore the system at the earliest. We appreciate the understanding and cooperation of all passengers and stakeholders," wrote the Airports Authority of India on X.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, 2025Indigo Airlines advisory on X“The Automatic Message Switching System (AMSS) system issue impacting ATC operations is still being resolved, and delays may continue across airlines at Delhi and a few airports in the northern region until the system is fully restored,” Indigo Airlines said on X.#6ETravelAdvisoryDue to an ongoing technical issue with the Automatic Message Switching System (AMSS) that supports Air Traffic Control data, flights across all airlines at #DelhiAirport and some other airports in the northern region are currently experiencing delays.We…— IndiGo (@IndiGo6E) November 7, 2025Air India ExpressSimilarly, Air India Express spokesperson said, “Air India Express operates about 60 direct flights daily to 25 domestic destinations from Delhi Terminal 1 and four international flights from Terminal 3. Our teams are actively assisting guests at the airport and working closely with the authorities to minimise delays.”Earlier in the week, the airport experienced minor disruptions due to third-party connectivity issues affecting check-in systems, which caused delays for a few airlines. That issue was reportedly resolved on Wednesday, allowing normal operations to resume. However, Friday's ATC system glitch is separate and has affected a larger number of flights.Passengers are advised to monitor their flight status closely and arrive at the airport well ahead of their scheduled departure times, the airlines said. Authorities continued working to restore full operational efficiency at the airport.Also Read: Flights delayed at Delhi airport due to ATC glitch; Air India, IndiGo, SpiceJet &amp; other airlines issue advisories

Delhi Airport took to X to issue a passenger advisory, stating: “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.”

Over 400 flights disrupted due to ATC glitch at Delhi Airport

Over 400 flights have been disrupted on Friday (November 7) due to a major technical glitch in the Air Traffic Control (ATC) system at the Indira Gandhi International Airport (IGIA). Airlines like Air India, IndiGo, SpiceJet, among others, issued advisories. Passengers reported delays, with extended waiting times both at the airport and onboard aircraft. Informing through X, Delhi Airport wrote, “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.” 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 restore the system at the earliest. We appreciate the understanding and cooperation of all passengers and stakeholders, wrote the Airports Authority of India on X. 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 Indigo Airlines advisory on X “The Automatic Message Switching System (AMSS) system issue impacting ATC operations is still being resolved, and delays may continue across airlines at Delhi and a few airports in the northern region until the system is fully restored,” Indigo Airlines said on X. #6ETravelAdvisory Due to an ongoing technical issue with the Automatic Message Switching System (AMSS) that supports Air Traffic Control data, flights across all airlines at #DelhiAirport and some other airports in the northern region are currently experiencing delays. We… — IndiGo (@IndiGo6E) November 7, 2025 Air India Express Similarly, Air India Express spokesperson said, “Air India Express operates about 60 direct flights daily to 25 domestic destinations from Delhi Terminal 1 and four international flights from Terminal 3. Our teams are actively assisting guests at the airport and working closely with the authorities to minimise delays.” Earlier in the week, the airport experienced minor disruptions due to third-party connectivity issues affecting check-in systems, which caused delays for a few airlines. That issue was reportedly resolved on Wednesday, allowing normal operations to resume. However, Fridays ATC system glitch is separate and has affected a larger number of flights. Passengers are advised to monitor their flight status closely and arrive at the airport well ahead of their scheduled departure times, the airlines said. Authorities continued working to restore full operational efficiency at the airport. Also Read: Flights delayed at Delhi airport due to ATC glitch; Air India, IndiGo, SpiceJet other airlines issue advisories

Delhi Airport took to X to issue a passenger advisory, stating: “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 ar