Why not fly to ORD from your base airport? That'll give you a chance to test things out.

As for documentation, check the US State department. Really, as far as visas and such go, you're just like any other passenger. You also check in like any other passenger (at least on UA/DL)... the only difference is that your name goes on a standby list when you do so, rather than getting a seat. You should even be able to use the automated kiosks.

Just make absolutely sure that your loads are looking good to get back (you should be able to check whereever you listed). DEL is one heck of a place for a NRSA newbie to start