New Delhi, Nov. 5 -- During the course of the frenetic Diwali weekend, when inter-city travel volumes usually spike, a 30-year-old New Delhi-based media professional got a taste of what is increasingly becoming common as more Indians take to air travel: poor service or an inexplicable delay on a scheduled flight.

The media professional's early morning IndiGo flight from New Delhi to Kolkata was supposed to land at 9 am, just in time for an important meeting. However, a few days before the scheduled travel date, IndiGo informed the passenger that his flight's departure had been pushed to 9.45 am "due to operational reasons" and is now slated to land in Kolkata only by 12.20 pm. When contacted for an explanation about the abrupt change in ...