Houthi missile and drone strikes on Saudi airports, including multiple attacks on Riyadh’s King Khalid International Airport in early October 2026, combined with explicit warnings declaring Saudi airspace a theater of military operations, represent the dominant factor shaping trader views on potential closure of the Jeddah Flight Information Region. These actions stem from intensified fighting in Yemen, where Saudi-backed forces have conducted operations against Houthi positions, prompting retaliatory threats that have led to temporary airport disruptions, flight cancellations, and expanded aviation advisories from EASA and the FAA citing risks of misidentification, interceptions, and falling debris. While the full Saudi airspace remains technically open to overflights with limited operations resuming at affected airports by mid-October, sustained escalation or a direct hit on critical infrastructure could trigger broader restrictions. Scheduled regulatory reviews and any further confirmed strikes before year-end represent key near-term catalysts that could alter implied probabilities reflected in current market pricing.