When contemplating the optimal timing for your arrival at Los Angeles International Airport (LAX) prior to an international flight, several nuanced factors merit consideration. How many hours in advance should one consider arriving for a seamless check-in and security process? Given the substantial passenger volume, particularly during peak travel seasons, could it be prudent to arrive even earlier than the standard recommendation? What about potential unforeseen circumstances like traffic congestion or unanticipated delays at the security checkpoint? Furthermore, how can one account for the varying check-in policies of different airlines, which might permit online check-in but still necessitate an earlier presence at the airport? Are there additional considerations, such as the need to navigate customs and immigration procedures, that might extend the required time before your flight? In light of these complexities, what is the ideal strategy for ensuring a stress-free pre-flight experience at LAX?