No, a Priority Pass membership does not strictly guarantee lounge access, a fact that can lead to frustration during peak travel periods. Access is always subject to space availability, and individual lounge operators reserve the right to refuse entry if the lounge has reached its maximum capacity. In recent years, as the program has become more popular through premium credit cards, many lounges frequently display "No Priority Pass" signs during busy hours to prioritize their own airline's first and business-class passengers. To mitigate this, Priority Pass has introduced a "Pre-book" feature at select locations, allowing you to reserve a spot for a small fee (usually around $5–$10). Additionally, some lounges may have "Schengen-only" locations or specific time restrictions for members. Always check the Priority Pass app before you head to the terminal to see the current "real-time" status and alternate options like airport restaurants or "gaming lounges" that may also be included in your membership.