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Delhi ATC System Failure Delays 150+ Flights, Manual Processing In Effect

A failure in the AMSS that feeds ATC data has forced controllers to process flight plans manually.

Overview

  • Airports Authority of India said technical teams are working to restore the Automatic Message Switching System with no firm public timeline for recovery.
  • Flight-tracking data showed average departure delays of roughly 50–55 minutes as queues built through the morning.
  • Delhi Airport and major carriers including IndiGo, Air India, SpiceJet and Akasa issued advisories urging passengers to check updated flight status.
  • The slowdown affected both departures and arrivals, creating gate congestion and longer waits onboard and at terminals.
  • The disruption follows other recent IGIA technical issues, including reported GPS spoofing earlier in the week, raising concerns over system resilience.