All Nippon Airways (ANA) has launched its AI-powered crew scheduling system into full-scale operation after four years of development, aiming to optimize rosters for 2,000 flight crew members while balancing fatigue management and aviation regulations. The system automates a complicated manual procedure, managing thousands of distinct conditions by accounting for strict aviation laws, crew qualifications, and fatigue management standards. Following approximately four years of proof-of-concept development with R&D Co., Ltd., the system was designed to handle planning schedules for approximately 2,000 flight crew members. Traditional scheduling required teams to manually balance thousands of conditions every month, while the new AI system automates much of this process while keeping human oversight intact, allowing scheduling specialists to focus on higher-value operational decisions. The system's parameters impact the reliability of ANA's flight schedules and operational stability, processing aviation regulations, safety requirements, fatigue risk management, crew qualifications, and individual leave requests. From a traveler perspective, when booking ANA flights, particularly international connections through Tokyo Haneda (HND) or Narita (NRT), maintaining a layover of at least 2.5 to 3 hours remains a prudent strategy. When flying out of Narita, Terminal 1 and Terminal 2 are separated by a significant distance, requiring a shuttle bus if connecting between certain partner airlines.