Aviation Roundup 2019: A year of turbulence for domestic airlines Updated : December 25, 2019 12:13 PM IST The rise in crude oil prices and engine issues in Pratt &Whitney (P&W) also resulted in some cooling off from IndiGo and SpiceJet's shares. Talking about the whole sector, there are currently 7 operating airlines in India, which saw a 44 percent year-on-year (YoY) rise in net income during the July-September quarter this year. On a year-to-date basis (YTD), SpiceJet's shares rose only 6 percent while IndiGo saw returns of about 11 percent. Subscribe to Moneycontrol PRO at just Rs.33/- per month for the first year. Use code SUPERPRO. Limited period offer. Available on Web and Android.