Omicron effect: IndiGo to cancel around 20 pc flights, waives change fees IndiGo on Sunday said it will cancel around 20 per cent of its flights because of the surge in Covid cases driven by the #Omicron variant and waive change fees till March 31 in response to customer needs. https://t.co/55HaJjJOrU— Economic Times (@EconomicTimes) January 10, 2022