Is the Jumbo Jet the biggest plane?

The Antonov An-225 is the world's heaviest and largest jet for strategic airlift transport built by Antonov Design Bureau.

It is larger than the Airbus A380 airliner which is a private ly owned aircraft

The An-225t has a landing gear system of 32 wheels and a wing span of 291 feet and designed for the Soviet space program in 1988. It can carry up to 250,000 kg internally or 200,000 kg on the upper fuselage.