Flight Time Prediction for Fuel Loading Decisions with a Deep Learning Approach

• URL: http://arxiv.org/abs/2005.05684v2
• Date: Sun, 9 May 2021 07:29:15 GMT
• Title: Flight Time Prediction for Fuel Loading Decisions with a Deep Learning Approach
• Authors: Xinting Zhu and Lishuai Li
• Abstract summary: Airlines are constantly seeking new technologies and optimizing flight operations to reduce fuel consumption. Excess fuel is loaded by dispatchers and (or) pilots to handle fuel consumption uncertainties. We develop a novel spatial weighted recurrent neural network model to provide better flight time predictions.
• Score: 3.285168337194676
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Under increasing economic and environmental pressure, airlines are constantly seeking new technologies and optimizing flight operations to reduce fuel consumption. However, the current practice on fuel loading, which has a significant impact on aircraft weight and fuel consumption, has yet to be thoroughly addressed by existing studies. Excess fuel is loaded by dispatchers and (or) pilots to handle fuel consumption uncertainties, primarily caused by flight time uncertainties, which cannot be predicted by current Flight Planning Systems. In this paper, we develop a novel spatial weighted recurrent neural network model to provide better flight time predictions by capturing air traffic information at a national scale based on multiple data sources, including Automatic Dependent Surveillance-Broadcast, Meteorological Aerodrome Reports, and airline records. In this model, a spatial weighted layer is designed to extract spatial dependences among network delay states. Then, a new training procedure associated with the spatial weighted layer is introduced to extract OD-specific spatial weights. Long short-term memory networks are used to extract the temporal behavior patterns of network delay states. Finally, features from delays, weather, and flight schedules are fed into a fully connected neural network to predict the flight time of a particular flight. The proposed model was evaluated using one year of historical data from an airline's real operations. Results show that our model can provide more accurate flight time predictions than baseline methods, especially for flights with extreme delays. We also show that, with the improved flight time prediction, fuel loading can be optimized and resulting in reduced fuel consumption by 0.016%-1.915% without increasing the fuel depletion risk.

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