Artificial intelligence is becoming an increasingly important part of modern aviation. From predicting air traffic congestion and helping airports manage aircraft movements to supporting aircraft inspections and improving airline operations, AI is changing how the aviation industry works behind the scenes. In 2026, these developments are moving beyond experiments into practical applications. The US Federal Aviation Administration has introduced an AI-supported system designed to help anticipate airspace congestion, NASA has tested technologies intended to improve runway safety, and Lufthansa is using AI in aircraft maintenance and ground operations. These innovations could help airlines reduce avoidable delays, use fuel more efficiently and make better operational decisions. However, aviation remains a safety-critical industry where human expertise, independent verification and strict certification are essential. This article explores the most important applications of AI in aviation, the challenges facing the industry and what these technologies could mean for passengers, pilots and the future of air travel.