Aeolus: A Multi-structural Flight Delay Dataset

• URL: http://arxiv.org/abs/2510.26616v2
• Date: Fri, 31 Oct 2025 08:49:49 GMT
• Title: Aeolus: A Multi-structural Flight Delay Dataset
• Authors: Lin Xu, Xinyun Yuan, Yuxuan Liang, Suwan Yin, Yuankai Wu,
• Abstract summary: Aeolus is a large-scale Multi-modal Flight Delay dataset.<n>It is designed to advance research on flight delay prediction.<n>Aeolus supports a broad range of tasks, including regression, classification, temporal structure modeling, and graph learning.
• Score: 41.17078926798434
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: We introduce Aeolus, a large-scale Multi-modal Flight Delay Dataset designed to advance research on flight delay prediction and support the development of foundation models for tabular data. Existing datasets in this domain are typically limited to flat tabular structures and fail to capture the spatiotemporal dynamics inherent in delay propagation. Aeolus addresses this limitation by providing three aligned modalities: (i) a tabular dataset with rich operational, meteorological, and airportlevel features for over 50 million flights; (ii) a flight chain module that models delay propagation along sequential flight legs, capturing upstream and downstream dependencies; and (iii) a flight network graph that encodes shared aircraft, crew, and airport resource connections, enabling cross-flight relational reasoning. The dataset is carefully constructed with temporal splits, comprehensive features, and strict leakage prevention to support realistic and reproducible machine learning evaluation. Aeolus supports a broad range of tasks, including regression, classification, temporal structure modeling, and graph learning, serving as a unified benchmark across tabular, sequential, and graph modalities. We release baseline experiments and preprocessing tools to facilitate adoption. Aeolus fills a key gap for both domain-specific modeling and general-purpose structured data research.Our source code and data can be accessed at https://github.com/Flnny/Delay-data

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