AirTycoon Online 2.

"AirTycoon Online 2" is a realistic turn-based airline management simulation game with stunning 3D graphics, where players can manage an airline in 500 airports worldwide. Features include real-time gameplay, over 150 airplane models, alliances, code-shares, and communication with players worldwide. The game offers detailed management reports, accident events, and a landing simulator for an immersive experience. Useful tips include opening routes between cities with high business/tour levels while avoiding competition.