Check-in systems at various airports faced issues on December 3 due to a system outage, sources told PTI. They added that some flights have been delayed due to tech issues. "Microsoft Windows reports major service outages globally. IT services/ check in systems at airports are impacted," as per a message for the passengers at the Varanasi airport.

According to the message, airlines have implemented manual check in and boarding procedures.

At least four airlines, IndiGo, SpiceJet, Akasa Air and Air India Express, have been affected, PTI reported. There were no immediate comments from Microsoft or from the airlines.

Also read | UAE halts issuing visas to Pakistani nationals, says senior interior ministry official

"Some domestic airlines are currently experiencing operational challeng

See Full Page