Bangladesh, Oct. 17 -- Airline operations across the Middle East are facing renewed uncertainty as security threats at Saudi airports force carriers to cancel services, postpone route launches and prolong existing suspensions. BookFlights

Riyadh's King Khalid International Airport has been hit repeatedly in recent days in attacks attributed to Yemen's Houthi militia, with reports of fatalities and the destruction of an Airbus A320 belonging to Saudia. The facility remains closed, while Dammam's King Fahd International Airport has also come under fire.

The deteriorating security situation has prompted several international airlines to revise their schedules. Delta Air Lines has delayed its planned debut in the Saudi market, while KLM an...