Https://forums.autodesk.com/t5/autodesk-rail-summit-2024-forum/leading-spirit-flight-what-is-the-cheapest-day-of-spirit/td-p/13777448 https://forums.autodesk.com/t5/autodesk-rail-summit-2024-forum/leading-spirit-flight-what-is-the-cheapest-day-of-spirit/td-p/13777448 https://forums.autodesk.com/t5/autodesk-rail-summit-2024-forum/leading-spirit-flight-what-is-the-cheapest-day-of-spir... https://forums.autodesk.com/t5/autodesk-rail-summit-2024-forum/leading-spirit-flight-what-is-the-cheapest-day-of-spirit/td-p/13777448