They show it regularly on TCM here.
An effective bit of pro-UK propaganda before the US entered the war.
It was, and remains hugely popular, a real tear jerker.

Now if you’ll allow some UK-style cynicism of “Hollywood”:
I do love the very California-style home the “typical” English family lives in and the fact the father drives a very nice Lagonda.
And I’m sure you’ll hate the Bf-109s…and IRC, the Spitfire isn’t much better.
Aside from that, it’s true to life.