New Delhi, May 1 -- Air India will cut around 100 flights a day, citing a sharp rise in aviation turbine fuel (ATF) prices that has made several routes financially unviable. The move, announced Friday, affects both domestic and international services and marks one of the airline's most significant capacity reductions in recent years.

The Tata Group-owned carrier currently operates roughly 1,100 daily flights, so the cuts amount to nearly 10% of its schedule. The steepest reductions are expected on long-haul international routes to Europe, North America, Australia, and Singapore, where fuel consumption is highest and margins are under pressure.

Key corridors linking Delhi and Mumbai with London, Paris, New York, Toronto, San Francisco, S...