Boeing has developed an AI agent for flight planning, leveraging OpenAI's powerful language models and the Responses API.The FlightAgent, an AI entity designed to mimic a human flight planning professional, utilizes the gpt-4-0613 model from OpenAI.The agent-based approach and interaction with a simulated environment enable the agent to generate detailed flight plans and make informed decisions.The code showcases the potential of AI agents in automating complex tasks and providing expert-level decision support in flight operations.