As of March-April 2026, Israel, with U.S. and regional support, has maintained a high interception rate of roughly 90% to 92% against Iranian ballistic missiles, according to the Israel Defense Forces (IDF). Despite this high success, intense barrages have resulted in some, though limited, direct impacts.
Overall Performance: Out of over 400 ballistic missiles launched by Iran since the 2026 conflict began, Israeli defense systems, including the Arrow and David’s Sling, intercepted the vast majority.
Specific Incidents: In one instance, Iran launched 365 ballistic missiles, of which 285 crossed into Israeli airspace, with roughly 270 intercepted.
Challenges: Some missiles equipped with cluster warheads have caused casualties in populated areas, and recent reports suggest the high volume of incoming missiles is straining interceptor supplies.
Effectiveness: Experts say the layered system, including Arrow and David's Sling, is highly effective, though not perfect, with roughly 98–99% effectiveness specifically mentioned for some, and others citing a more conservative, yet still high, >90% rate
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