New Delhi, March 1 -- Escalating tensions across West Asia have begun to strain the operations and finances of India's top airlines, including IndiGo, the Air India group, Akasa Air, and SpiceJet, with experts estimating that airspace disruptions could result in revenue losses of around Rs.500 crore for carriers.

In a tweet on Saturday, the Directorate General of Civil Aviation said Indian airlines cancelled around 410 flights on 28 February and 440 on 1 March due to security concerns in parts of the Middle East airspace, impacting Gulf and long-haul routes beyond the region, including services to London Heathrow and Canada.

West Asia accounts for 15-20% of IndiGo's daily revenue, according to at least one sell-side analyst. "Flight can...