Daniel K. Inouye International Airport (HNL) in Honolulu is consistently one of the busiest airports in the United States and the primary gateway to the Hawaiian Islands. Because Hawaii is an archipelago, HNL serves as a vital hub for both international trans-Pacific flights and a high volume of "inter-island" hops. It handles over 20 million passengers annually, though this number can fluctuate based on global tourism trends. The airport is unique because it features four active runways, including the "Reef Runway," which was the world's first major offshore runway. During peak vacation seasons—specifically summer and the winter holidays—the terminals can become extremely crowded. Its status as a major stopover point between North America and Asia/Oceania adds to its constant activity. While it may not feel as chaotic as Hartsfield-Jackson (ATL) or Heathrow (LHR), its logistical importance and steady flow of tourists keep it firmly in the category of a high-traffic, major international hub.