Since 2009 we have taken 8 cruises with 5 different cruise companies - we go by the itinerary first then check the cruise reviews.
Having been with Celebrity once we expected a similar standard from NCL - another American company.
We arrived 1 hour early for embarkation, and were soon through the formalities and sat waiting to board, we were kept informed of the ship's readiness but the embarkation hall was soon jam packed.