Cruise planningReturn-to-ship guideReturning late is the one excursion failure that does not forgive. Build buffers explicitly.Buffer mathsFor coach days from distant ports, assume traffic variance of 30–60 minutes each way in summer.Operators who publish meeting points, tracking and local contingency are more valuable than a cheaper headline price.Where this leads nextUse Find my cruise to map a specific ship and sailing window, then open each port’s own site for excursions.