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Delhi ATC Glitch Triggers Nationwide Delays, Hundreds of Flights Held Back

The failure in the Automatic Message Switching System forced controllers to process flight plans manually.

Overview

  • Airports Authority of India and Delhi International Airport said technical teams are working to restore automation, with departures from IGIA averaging roughly 50–60 minutes late, according to Flightradar24.
  • Reports through the day counted more than 300 delays in Delhi and over 400 flights affected nationwide, with backlogs building since late Thursday.
  • Network effects reached Mumbai, Jaipur, Lucknow and Varanasi as originating services from Delhi slipped, though AAI said no similar technical fault was reported at other airports.
  • IndiGo, Air India, SpiceJet and Akasa issued advisories warning of longer waits and urging passengers to check status updates and arrive early.
  • Some outlets cited unnamed sources pointing to a possible malware-linked intrusion, a lead under investigation that remains unconfirmed by authorities.