Scheduling Airlines-Management 2 Airlines-Timetables 2 Constraints (Artificial intelligence) 2 Data processing 2 Embedded computer systems 2 Memory management (Computer science) 2 Multimedia systems 2 Multiprocessors 2 Operations research 2 Time 2 Aeronautics, Commercial 1 Aeronautics, Commercial-Passenger traffic 1 Airlines-Reservation systems 1 Business logistics 1 Strategic planning 1