Chennai (MAA) tops the most punctual Indian airport among metro cities list for the second continuous month after being bottom in the list at the first half of the year 2025. According to the statistics from Directorate General of Civil Aviation (DGCA), Chennai tops the list on October,2025 with a 91.4% of On-Time Performance (OTP) of scheduled domestic airlines including Alliance Air, Air India Group, Akasa Air, Indigo and SpiceJet.
On-Time Performance of Indian metro airports:
On-Time Performance (OTP) is a parameter given to the airports based on how reliable they are in handling the flights according to their scheduled times.
OTP represents the percentage of flights that depart and/or arrive within 15 minutes of their scheduled time (industry standard used by IATA and ACI).
OTP of an airport replicate the airport’s efficiency, punctuality, air traffic management quality and passenger experience. It is decided by dividing the number of on-time flights by total number of flights and multiply that to the 100.
Based on the above parameters, DGCA announced that MAA has the highest OTP percentage among the Indian metro airports.
Bangalore, which has topped the list for most months of the year is dropped to third on October, 2025 OTP list.
Indigo tops the airlines OTP:
Among the scheduled domestic airlines, Indigo has the highest OTP percentage, according to the DGCA. Indigo got 84.1% of OTP and is also the only airline which have more than 80% of OTP.
Indigo, the most punctual airline since the start of 2025 has dropped three percentage of OTP from last month in spite of topping the list.
Rest of the places are taken by Air India group, Akasa Air, Alliance Air and Spice Jet respectively in this order.
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