SpiceJet achieved the highest passenger load factor (PLF) of 92.1 per cent followed by IndiGo at 88.5 per cent and Air Costa at 87.1 per cent for the month of December 2015, according to data provided by Ministry of Civil Aviation. The domestic airlines carried 20.34 per cent more passengers during December. The number of passengers carried by domestic airlines during Jan-Dec 2015 were 810.91 lakhs as against 673.83 lakhs during the corresponding period of previous year thereby registering the growth of 20.34 per cent. The On-Time Performance (OTP) of scheduled domestic airlines, computed for four metro airports viz. Bangalore, Delhi, Hyderabad and Mumbai showed Vistara topping the chart with 90.6 per cent followed by GoAir at 79.3 per cent (excluding Hyderabad) and Jet Airways at 78.5 per cent.