Akasa Air continued to be the most punctual airline in India with an on-time performance (OTP) of 79.5% at the four metro airports of Delhi, Bengaluru, Hyderabad and Mumbai, according to DGCA data. Vistara came in second with an OTP of 79%, followed by Air India Express (78.4%), IndiGo (75.6%), Air India (60.6%) and SpiceJet (46.1%).