Vistara , a joint venture between Tata Sons and Singapore Airlines, started operations on 9 January 2015 with its inaugural flight between Delhi and Mumbai. Vistara was the first airline to introduce premium economy seats on domestic routes in India. It is the newest full service airline for high net-worth individuals. With an average fleet of less than 2 year, Vistara has one of the youngest airline fleet in the world. Currently operates a fleet of 13 Airbus A320 aircrafts flying to 17 destinations within India with 1900 monthly flights. Ferries over 0.25 million passengers every month.