Will trains replace planes?

Will trains replace planes?
The answer is no, but they will replace commuter flights and short haul flights.

For example, people used to fly from Paris to Brussels. Now few people do.
The train is faster.

I used to hate Southwest's strategy of flying only to big cities.
Now I am rethinking.
If one lives 100 miles, maybe 150, from a major airport, take the train.
A high speed train would be only 1 hour, maybe two. Then fly from the big airport.
What do you think?