IndiGo rated world's 4th most punctual 'mega carrier'
IndiGo has been rated the world's fourth most punctual 'mega carrier' by travel analyst firm OAG in an annual review. While IndiGo logged an on-time performance (OTP) of 81.22%, the list was topped by Japan Airlines with an OTP of 85.27%. Japan Airlines was followed by All Nippon Airways and Delta Air Lines. 