Suppose a blocked pilgrim sends the offering, but the route later opens. The pilgrim can still reach the offering arrangement before completion and can reach Hajj in time.
This is ability to reach both the offering and Hajj. The ruling is do not exit ihram; continue Hajj.
The key is actual feasibility of both, not merely that a road has reopened.
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Bab al-Ihsar — Obstruction, Hady, Release from Ihram and Makeup Rites
Suppose a blocked pilgrim sends the offering, but the route later opens. The pilgrim can still reach the offering arrangement before completion and can reach Hajj in time.
This is ability to reach both the offering and Hajj. The ruling is do not exit ihram; continue Hajj.
The key is actual feasibility of both, not merely that a road has reopened.