A 5.5 per cent improvement in RASK (revenue per available seat), coupled with a strong 25.4 per cent growth in RPK (revenue passenger kilometres), pushed up net sales 25.6 per cent to Rs 5,955 crore, helping the largest airline report its best-ever quarterly numbers.
Load factor rose by 470 bps to 88 per cent which pushed up the yields by 200 bps pushing up operational margins by a healthy 14.1 per cent, president and whole-time director Aditya Ghosh told analysts in a post-earnings concall.
"We added four aircraft in the quarter of which three are A320 Neos, taking the overall fleet count to 135 with 22 of them being A320 Neos," Ghosh said, adding but the lingering engine glitches has nine of them grounded.
But despite all these, he said it maintained an on- time performance of 85.4 per cent, while technical dispatch reliability stood at 99.85 per cent, making IndiGo the No 1 in OTP with a flight cancellation rate of 1.2 per cent.
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"In our prior call we had mentioned that we were experiencing issues with the Neo engines. As a result, we continue to have a high number of engine removals and sufficient spare engines have not been available. We have grounded nine A320 Neos due to lack of spare engines.
"While we do get some compensation for the grounding, operational disruptions are quite challenging, and we aren't happy with that situation," Ghosh said.
"We told P&W that they must focus on increasing the number of spare engines that are available in the system and if that happens we hope to see significantly reduced operational disruptions, within the next few months," he said.
Chief financial officer Rohit Phillip admitted that aircraft delivery delays are impacting it bottomline.
The higher numbers are despite almost 300 bps lower ASK which rose only 18.7 per cent to Rs 1,510 crore against a 22 per cent guidance in the March quarter, RASK jumped 5.5 per cent to Rs 3.82 while CASK rose 1.3 per cent Rs 3.08, he said.
CASK declined 2.5 per cent to Rs 1.91, helping its operational margins to improve to 34.1 per cent from 33.9 per cent, he added.
Fuel expenses rose 28.6 per cent to Rs 1759.2 crore, while aircraft and engine rentals rose 19.8 per cent to 853.7 crore. Average fuel prices rose 15.8 per cent to Rs 52.71 per liter for the quarter.
Phillip guided a 20 per cent increase in ASKs for the full fiscal 2018 saying he expects capacity to grow at 20 per cent over the three year term for fiscal 2018 to fiscal 2020.
"Going forward, we anticipate lowering use of a sale and leaseback model and gradually begin the process of owing aircraft that would be purchased through internal funds and debt," said Phillip.
He admitted that they purchase aircraft on a six-year sale and leaseback model, in a bid to move the planes out of its fleet once a technologically advanced aircraft enters the market. Of its 135 planes, 118 are on operating lease, and the rest are owned or financed.
Over the long-term, owning an aircraft will be cheaper due to better cash flows and lower depreciation tax, he added.
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