Air India cancelled several flights today due to maintenance and operational reasons, said ANI. These include flights AI906 from Dubai-Chennai, AI308 from Delhi to Melbourne, AI309 from Melbourne to Delhi, AI2204 from Dubai to Hyderabad. Flights AI874 from Pune to Delhi, AI456 from Ahmedabad to Delhi, AI-2872 from Hyderabad to Mumbai, AI571 from Chennai to Mumbai were also cancelled.