I was just looking at those Amtrack tickets... why even commute by air any more??
From Philly and Wilmington to NY (and EWR) is 1+20, and costs $57 or less, and runs like every 15min to 30 min.

That's cheaper than parking plus all the unsurety and pain for sure! I'd just buy those $57 fares and be done with it, ride the train to work. Of course it's probably huge pain to get from the NYC train station (Penn station?) to JFK or LGA... But there's GOT to be a way to make it happen with cheap trains every 20 min or so. I gotta say... why would anyone fly?