Passengers carried by domestic airlines during January-June 2017 were 561.55 lakhs as against 475.79 lakhs during the corresponding period of previous year, registering a growth of 18.03 per cent. This was revealed in data released by Directorate General of Civil Aviation (DGCA). SpiceJet recorded the maximum Passenger Load Factor (PLF) of 94.5 per cent while Vistara ruled in terms of O Time Performance at 86.1 per cent.