550 IndiGo flights cancelled, airline apologises for widespread disruption  India TodayGet set, no-go: You can check in any time, but you can’t leave!; cancellations leave flyers stranded at Delhi airport  Times of IndiaIndiGo flights status today: Disruptions enter fourth day after 550 flights cancelled on Thursday—Top 10 updates  livemint.comIndiGo cancels 550 flights, airports see continued turmoil  The HinduDGCA gives waiver to IndiGo from new pilot rest rules  The Economic Times  Read More