New Delhi: Flight services at Delhi’s Indira Gandhi International (IGI) Airport started returning to normal on Saturday morning after a major system crash paralysed air traffic across India on Friday. The disruption, caused by a failure in the Automatic Message Switching System (AMSS), a critical part of Air Traffic Control (ATC), left hundreds of passengers stranded and triggered massive flight delays.

The AMSS system, which handles vital flight planning data for the ATC, suffered a technical snag late on Thursday. With automated processes down, air traffic controllers were forced to prepare flight plans manually, slowing down operations nationwide. The impact was felt most severely at Delhi Airport, India’s busiest hub, which manages over 1,500 flights daily. More than 800 flights were

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