Aviation How IndiGo messed up its Delhi-Istanbul flight plan Updated : September 24, 2019 08:47 AM IST IndiGo again received negative ink when it failed to load luggage on the flight to Istanbul. So what happened? Extremely heavy headwinds, which make it difficult to carry full load. But it shows the airline, which once was reputed for its immaculate planning, has not figured out its international expansion. 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.