TUI Airline has fully implemented the SITA OptiClimb solution across all five of its airlines as part of the group’s sustainability agenda to reduce airline emissions. The wider deployment of SITA’s innovative technology follows the success of its partial deployment, saving up to 200 kg of fuel and 600 kg of CO2 per aircraft per day. Aircraft climb is the most fuel-intensive phase of a flight. SITA OptiClimb is a predictive analytics solution that uses machine learning to build tail-specific performance models. Fed with 4D weather forecasts and operational flight plan inputs, these models predict fuel burn scenarios. The solution