LLM4Delay: Flight delay prediction using AI and trajectories

Discover LLM4Delay, an innovative model that combines LLM and trajectories to predict flight delays with high accuracy, improving control efficiency

miércoles, 8 de julio de 2026 • 2 min read • Q2BSTUDIO Team

Optimizing delay prediction with LLM and trajectories

Flight delay prediction is one of the most complex challenges in modern air traffic management. Every minute of delay not only affects the passenger experience but also generates significant operational costs and disruptions throughout the airport logistics chain. Traditionally, models relied on historical data and statistical rules, but the emergence of artificial intelligence has opened new avenues for anticipating these events with greater precision. Techniques such as natural language processing and deep learning allow integrating heterogeneous information sources: from weather reports and aeronautical advisories to the actual trajectory of each aircraft in the terminal airspace.

In this context, proposals like LLM4Delay represent a qualitative leap by combining large language models with multiple trajectory data. The key lies in aligning representations from different modalities —aeronautical text and position sequences— through instance-level projections, enabling the model to understand the complete context of each flight. This approach not only improves prediction accuracy but also allows dynamic updates as new information arrives, which is essential for decision-making in control towers and operations centers. The architecture demonstrates that fusing pre-trained knowledge from trajectory encoders and large language models is a promising path for air traffic controller support systems.

Beyond the aeronautical field, this methodology reflects a general industry trend: the need for custom applications that integrate multimodal data in real time. Many companies face similar challenges when trying to unify textual, numerical, and spatial information to optimize logistics, financial, or production processes. This is where Q2BSTUDIO's expertise becomes relevant, offering artificial intelligence for businesses that ranges from creating predictive models to deploying AI agents capable of interacting with multiple data sources. The ability to develop custom software that adapts these technologies to each organization's reality is a key competitive differentiator.

To sustain such solutions, the underlying infrastructure must be robust and scalable. AWS and Azure cloud service platforms provide the ideal environment for processing large volumes of telemetry, training complex models, and hosting production systems with high availability. Q2BSTUDIO integrates these services along with cybersecurity practices to ensure the integrity of sensitive data, a critical aspect when handling flight trajectories or operational information. Additionally, result visualization and dashboard creation are enhanced through business intelligence services like Power BI, enabling analysis teams to interpret predictions and make informed decisions.

Ultimately, the evolution toward prediction models based on artificial intelligence and multimodal data is not exclusive to the aviation sector. Any industry managing dynamic operations can benefit from a similar approach. To achieve this, having a technology partner that combines knowledge in cloud services, custom application development, and AI expertise is essential. Q2BSTUDIO offers precisely that combination, helping companies transform complex data into real operational advantages without compromising security or scalability.

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