New Delhi, May 20: Budget carrier IndiGo Airlines has clocked the highest market share of 29.8 per cent in air traffic in April.

In March, the airline had captured 27.4 per cent of the domestic passenger market.

According to data compiled by the civil aviation ministry, the low-cost carrier regained the top spot with an 83.8 per cent passenger load factor during the month.

The passenger load factor (PLF) is a measure of how much of an airline’s passenger-carrying capacity is used.

In March, Air India had outperformed IndiGo and reported PLF of 81 per cent, while the low-cost airline had 79 per cent. Air India had a 19.2 per cent share of the domestic passenger market in April.

Domestic air traffic, however, decreased 0.27 per cent in April to 50.77 lakh from 50.91 lakh in the corresponding month last year, the civil aviation ministry said. On a month-on-month basis, traffic declined 2.15 per cent from 51.89 lakh in March.

Overall passengers carried by domestic airlines during the first four months of the year declined 0.35 per cent to 202.89 lakh from 203.60 lakh flown between January and April last year.

The Jet Airways-JetLite combine cornered a market share of 22.6 per cent in April, followed by SpiceJet (19.6 per cent) and GoAir (8.9 per cent).

During the month, GoAir had PLF of 79.5 per cent followed by Air India at 78.9 per cent. SpiceJet had PLF of 75 per cent, while JetLite and Jet Airways had 71 per cent and 69.4 per cent, respectively.

In case of on-time performance (OTP), IndiGo topped the chart in April with 95.6 per cent. While Air India managed OTP of 90.9 per cent, SpiceJet managed 86.2 per cent.