• Emirates, Etihad, flydubai, and Air Arabia have cancelled flights to Saudi Arabia.
• Riyadh's King Khalid International Airport remains closed until October 17.
• The closure is due to security concerns following attacks on the airport.
• UAE travellers are advised to check their flight status before leaving for the airport.

The cancellation of flights may indicate a significant disruption to air travel in the region, which could have economic implications for the UAE and Saudi Arabia. The situation suggests a heightened security concern, which may impact the aviation industry's operations and passenger confidence.