How do we define 'useless'?
Do the planes that are competitive, but see less/no usage qualify as 'useless'? If in that case:
1) all fighters besides;
SpitV, SpitIX, N1K2-J - best balanced qualities of maneuverability and speed
Bf109G-10, Fw190D-9 - best of the numerous variants, assuring survival
P-51D, Typhoon, P-47D-30, P-38L - best of the variants, and/or best multi-purpose
La-7 - excellent local A2A engagement machine
SeafireII, F6F-5 - best and easiest carrier planes
All the rest of the fighters, are virtually unused in current circumstances.
2) All special role/ground attack aircraft
Who needs these when a single fighter carries almost double their ordnance?
3) All bombers
No use at all, except for dealing with CV threats