Yes, in 2026, most airport lounges have implemented a 3-hour time limit to combat the "overcrowding" issues that have plagued premium travel in recent years. This is especially true for lounges accessed via Priority Pass or credit card programs (like Amex Centurion). Generally, you are only allowed to enter three hours before your scheduled departure time. If you are on a long layover, most lounges will allow you to stay longer, but you must usually check with the front desk or use a specific "extended stay" pass. Some high-end "First Class" lounges (like those from Emirates or Qatar Airways) are more flexible, but even they are becoming stricter during peak morning and evening rushes. It is a peer-to-peer essential to check your specific lounge's policy on the "LoungeBuddy" or "Priority Pass" app before you arrive; if you try to enter 5 hours early just to "hang out," you will likely be turned away until your 3-hour window opens. This ensures that travelers who are actually about to board have a seat and access to the amenities they paid for.