Some flights resume, as Saudia and Riyadh Air use alternative airports and several UAE airlines maintain. Saudi Arabia faces major flight disruptions with over 7,800 cancellations since October 8 due to security threats. Riyadh airport reopens with limited operations. New Delhi, Oct 24 (PTI) Air India and Air India Express on Saturday extended the cancellation of their flights connecting Riyadh and Dammam till November 7, while services to Jeddah will.