The speed varied because there were many types and brand of planes which were used during World War 2. The maximum speed a plane went was 596mph. Other planes traveled much slower due t their size and mass.
Less than 200 mph.
The fastest plane was the Blackbird and it flew at 2500 mph.
9000mph
depends on the plane.
600 mph
Less than 200 mph.
A fast train can be faster than a slow plane. But even a regular plane will be faster than fast train.
Early versions could go 354mph
1500
80
About 40 miles per hour.
1 metre per hour