New Delhi, Dec. 1 -- After a software glitch left more than 6,000 Airbus A320 aircraft affected last week, the plane-maker on Monday said that less than 100 A320 jets remained grounded for a critical software update, signalling a return to normalcy for flight operations.

"Out of a total number of around 6,000 aircraft potentially impacted, the vast majority have now received the necessary modifications," Air bus said in a press release.

"We are working with our airline customers to support the modification of less than 100 remaining aircraft to ensure they can be returned to service," the plane-maker added.

The update comes days after Airbus on Friday announced that affected planes could not fly until a critical software update, with t...