India, Feb. 6 -- Air India's transformation plan has been delayed by global supply-chain disruptions, with aircraft deliveries and cabin retrofits postponed by up to two years, chief executive officer (CEO) Campbell Wilson said on Wednesday.

Speaking on the sidelines of the launch of Air India's first flagship lounge, The Maharaja Lounge, at Terminal 3 of Indira Gandhi International Airport in New Delhi, Wilson said the airline had expected to receive around 39 new aircraft by this stage but has taken delivery of only two.

Air India is undertaking a $400 million programme to refit older wide-body aircraft with new seats and cabins. Wilson said the project remains on budget but is behind schedule due to manufacturing and certification de...