TPF as far as I can tell has never caused an issue with downtime. When delta had their big outage deltamatic/deltaterm was still chugging along, but no one could log into it because all the windows machines were down.

For Alaska, that is not accurate. They did a complete migration off any on premise data center around 2023 for Sabre* there are on prem DC for other things but not for GDS.

Hawaiian uses Amadeus, so also not any intergration issue.

What happens and why Alaska usually has the most issues in October is it's PIP season, some people got culled. Also some new hires too.

This specific ITS though pushed through a change without proper CM/CAB earlier this week. But that's all I can write

I enjoyed running around the Amdahl machines in the RAD building when I was a kid.

Many air traffic control systems are also running on old hardware and software, which can include floppy disks.

https://www.npr.org/2025/06/06/nx-s1-5424682/air-traffic-con...