The sup-RAR tool is designed to address limitations in previous, less flexible aircraft routing models.

This new methodology is designed to improve airline operations planning by creating more reliable, cost-effective, and actionable schedules.

Evaluates delay uncertainty from three novel viewpoints.

It is the first approach in its field to provide a framework for assessing absolutely robust plans, leading to increased reliability.

Unlike classical models, this method allows for renting options, resulting in more flexible and cost-efficient decisions.

However, based on the search results, I can provide information regarding a new methodology in operations research: the tool. Overview of Sup-Robust Aircraft Routing (sup-RAR)

It produces tractable, "absolutely robust" aircraft routing plans that are entirely invulnerable to pre-defined uncertainties. Core Contributions: