Budget carriers IndiGo and GoAir cancelled as many as 66 flights after the country’s aviation regulator DGCA grounded 11 of their A320Neo planes with faulty Pratt & Whitney engines, causing severe inconvenience to hundreds of flyers.While IndiGo cancelled 48 flights from 18 cities, GoAir struck down 18 flights from 8 cities across the country. GoAir has not cancelled any flight between Delhi and Mumbai, which is not the case with IndiGo.Details of the flights IndiGo cancelled:The airline cancelled 17 flights out of Delhi airport and 3 flights out of Mumbai airport. The other cities that IndiGo has cancelled flights from include Bengaluru, Chennai, Kolkata, Hyderabad, Guwahati, Indore, Jammu, Ranchi, Bhubaneshwar, Nagpur, Patna, Varanasi, Ahmedabad, Amritsar, Coimbatore and Cochin.GoAir has not cancelled any flights between Delhi and Mumbai. It has cancelled 18 flights from 8 cities that include, Bengaluru, Cochin, Chennai, Hyderabad, Bhubhaneshwar, Kolkata, Lucknow and Delhi.Here’s the list of flights cancelled by GoAir:

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