 Tata SIA Airlines Limited , operating as Vistara , is an Indian domestic airline based in <unk> with its hub at Delhi @-@ Indira Gandhi International Airport . The carrier , a joint venture between Tata Sons and Singapore Airlines , commenced operations on 9 January 2015 with its inaugural flight between Delhi and Mumbai . The airline had carried more than two million passengers by June 2016 and as of April 2016 , has a 2 @.@ 3 % share of the domestic carrier market . The airline operates to seventeen destinations with a fleet of Airbus A320 @-@ 200 aircraft . Vistara was the first airline to introduce premium economy seats on domestic routes in India . 
