According to the Directorate General of Civil Aviation (DGCA), 1.13 crore passengers were ferried by domestic airlines during the month, up from 96.90 lakh reported in the corresponding month of 2017.
As per the data, passenger traffic during the January-August 2018 period grew by 21 percent.
"Passengers carried by domestic airlines during January-August 2018 were 913.95 lakh as against 754.11 lakh during the corresponding period of previous year, registering a growth of 21.20 percent," the DGCA said in its monthly domestic traffic report.
The data disclosed that low-cost carrier SpiceJet had the highest passenger load factor (PLF) -- a measure of capacity utilization of the airline -- at 93.6 percent during August.
"I am delighted with SpiceJet's exceptional operational performance that has seen us emerge as the country's most punctual airline clocking industry's best on-time performance of 87.4 percent and the highest passenger load factor of 93.6 percent," said Ajay Singh, Chairman and Managing Director, SpiceJet.
SpiceJet was followed by GoAir with a PLF of 84.6 percent and IndiGo at 82.8 percent and Vistara at 81.5 percent.
"The passenger load factor in August has shown increasing trend compared to previous month due to the beginning of the festive season," the monthly statistical analysis statement said.
The data noted that SpiceJet led the industry with 87.4 percent punctuality rate (on-time performance) at the four major airports of Bengaluru, New Delhi, Hyderabad, and Mumbai. It was followed by IndiGo (87.2) and GoAir (87.2).
In addition, a total of 668 passenger-related complaints were received last month.
AirAsia India had a market share of 4.8 percent, followed by Vistara (3.8), JetLite (1.5) and Trujet (0.4).
"The year to date growth for 2018 is still very robust at over 21 percent and we are optimistic that this strong growth will continue in the coming months, driven by economical ticket prices, a number of long weekends and the beginning of the festive season which is a peak travel period for Indians."
According to ixigo CEO and Co-founder Aloke Bajpai: "With the festive season just around the corner, flight bookings have been on the rise despite a slight hike in fares. Most major airlines will be announcing their festive sales soon, which should lead to further growth in bookings and passenger traffic for September-October."