Flight Delay Prediction via Cross-Modality Adaptation of Large Language Models and Aircraft Trajectory Representation
- URL: http://arxiv.org/abs/2510.23636v2
- Date: Mon, 03 Nov 2025 07:12:24 GMT
- Title: Flight Delay Prediction via Cross-Modality Adaptation of Large Language Models and Aircraft Trajectory Representation
- Authors: Thaweerath Phisannupawong, Joshua Julian Damanik, Han-Lim Choi,
- Abstract summary: This paper presents a lightweight large language model-based multimodal flight delay prediction.<n>The approach integrates trajectory representations with textual aeronautical information, including flight information, weather reports, and aerodrome notices.<n>Experiments show that the model consistently achieves sub-minute prediction error.<n>The framework demonstrates that linguistic understanding, when combined with cross-modality adaptation of trajectory data, enhances delay prediction.
- Score: 1.7434507809930746
- License: http://creativecommons.org/licenses/by/4.0/
- Abstract: Flight delay prediction has become a key focus in air traffic management, as delays highlight inefficiencies that impact overall network performance. This paper presents a lightweight large language model-based multimodal flight delay prediction, formulated from the perspective of air traffic controllers monitoring aircraft delay after entering the terminal area. The approach integrates trajectory representations with textual aeronautical information, including flight information, weather reports, and aerodrome notices, by adapting trajectory data into the language modality to capture airspace conditions. The experiments show that the model consistently achieves sub-minute prediction error by effectively leveraging contextual information related to the sources of delay, fulfilling the operational standard for minute-level precision. The framework demonstrates that linguistic understanding, when combined with cross-modality adaptation of trajectory data, enhances delay prediction. Moreover, the approach shows practicality and potential scalability for real-world operations, supporting real-time updates that refine predictions upon receiving new operational information.
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