Over a third of Saudi flights cancelled in November as 25+ airlines suspend Riyadh routes after Houthi airport strikes. Airline status, EASA advisory, passenger options. RIYADH — More than a third of Saudi Arabia’s scheduled flights were cancelled at the height of the disruption, with at least 25 airlines suspending or curtailing service to the kingdom after two months of Houthi missile and drone attacks on its airports, and widespread cancellations continuing.