Unless they have a whole new airport and flying experience, I don’t think a lot of people are going to fly just 125 miles. That’s less than two hours of driving. It would be 2 hours of just airport shenanigans much less the flight itself.
There's a ton of small routes that just aren't getting much service now because of operating costs - the founder speaks to that in the video - that this could serve.
A slightly larger aircraft able to do ~300 miles on battery and then say 1,000 in hybrid mode, might resurrect the economically unviable but relatively fast LHR/LGW flights down to NQY. The six hour drive is pretty, but... yeah...
Now, of course, most of the hassle of getting to NYC from Boston is transit to and from the airport. And of course, transit from JFK, Laguardia, etc into the city.
There are at least 5 capable airports/airstrips closer to me than Logan or T.F. Green. Only one of them, Worcester, offers NYC flights. Worcester is almost an hour from me on average, and a bit more expensive. It’s an hour from takeoff to landing (I’ve arrived 10 minutes before takeoff, at the PARKING LOT many times without it being an issue).
If they can get this in and out of even smaller airports, like in Stow, MA, which is beyond capable, it will be a gamechanger.
I don’t know where you live or what you drive, but I just punched in a destination 200 km away as the crow flies, the Alps are in the way and I’m looking at five hours of driving.
Also, water.
But I doubt we have the capital to buy them new.
Assuming you have a straight road in that direction with a speed limit that allows an average speed of more than 100km/h.
There are a lot of "island hopper" and bushpilot mini airlines in the world. The current world record is a route in Scotland that, on good days, takes less than a minute of flight time [1].
It is much much easier to supply such islands with electricity (there almost always is a power grid tied to whatever the nearest mainland is) than to continuously haul fuel around.
And in Croatia... that is easy enough distance to cover Rijeka-Zadar for example, which is about three hours worth of car or bus drive.
[1] https://en.wikipedia.org/wiki/Westray_to_Papa_Westray_flight
Even then there are lots of flights in Europe that are between cities less than 1 hour apart.
This idea generally makes more sense in Europe than the US, I think.
[1] https://en.wikipedia.org/wiki/Short-haul_flight_ban?#Overvie...
Report recently from my area.
https://www2.gov.bc.ca/gov/content/transportation/transporta...
To your question… Feasible: no; Possible: yes.
Of course those -should- be easy on trains too…