New Delhi, April 19 -- Air India has said it will complete the retrofit of its legacy aircraft by 2029, nearly two years later than originally planned, after supply-chain constraints slowed its fleet overhaul plans. The final phase of the programme will cover 19 wide-body jets starting in the second half 2027 and is expected to take up to two years to complete, a senior executive said on Sunday.

"There are some 777 Boeing aircraft which will be sent for retrofit in the second half of 2027 and these will be ready in the next 18 to 24 months. so by 2029. These will be the last of the legacy aircraft that we have which require refurbishing," said Rajesh Dogra, chief customer experience officer, Air India.

The Tata Group-owned carrier is al...