…to Delta for, it seems, making an intentional effort to design their website such that it works if you don’t have a working version of Flash. (I have Flash installed, but obnoxious advertising and CPU churn have induced me to enable it only in an opt-in manner — also handy for avoiding rickrolls!) When I view their site after logging in, I notice I’m viewing this address:

https://www.delta.com/index.jsp?noFlash=true

Good stuff!