Your question is Recovering a Falling Schedule. Take a moment with it on the right.
Talk me through your thinking if you like. When you're confident, submit your answer and I'll grade it like a real screen (7/10 or better passes).
How do you handle a project that is falling behind schedule? What specific actions do you take to get it back on track?
Focus on a real execution response: how you identify the root cause, re-plan the work, and communicate trade-offs to stakeholders. Include how you decide what to de-scope, what to escalate, and how you prevent the delay from repeating.