Amtrak is just so much nicer. You can work or relax in way more space. Its also very on time compared to the airlines.

These are some very congested and delay prone airports. Delays are often in hours when things go wrong flying. Plus Amtrak is city center to city center not suburb to suburb. Amtrak is just all around better on these routes. The 1990s the shuttles were alot more necessary as amtrak times were alot longer. Acela track work really shortened all the train times on the northeast corridor. Acela just made the Amtrak experience so much better than flying. Plus TSA security has gotten so much more annoying and time consuming. Amtrak wins in every way if your a frequent commuter