Luftwaffe planes in AH:Bf 109F-4 (1941)
Slow, decent turner, weak guns, poor durability. Can run away only from TnBers.
Usually meat for gangbangers.
Bf 109G-2 (1942)
Better than F-4, but still very similar.
Meat for gangbangers.
Me 109G-6 (1942)
Most things worse than G-2, better guns though, but still weak. Many planes will outperform you in most apsects. Watch out for gangbangs.
Me 109G-10 (1944)
With FM tweaks it is not what it used to be. Once competent, now it is pretty hard to stay alive in this one. The plane can't handle its own engine power

Still, it can make some great escapes. All US planes except P-38L will catch you in dive, however.
Fw 190A-5 (1943)
Nice allround plane, but not best in anything (except roll). Too slow for 1944 monsters, Often gets ganbanged or outrun by late war splanes. Very fun to fly, but it might leave you frustrated if you get to fight many P 51Ds or P 47s. All US planes catch you in dive (not sure about P 38L).
Fw 190A-8 (1944)
Requires very careful flying, almost opportunistic

Not a turner, very poor E-fighting potential, not much to do when on defense. Still, can run from mid war planes.
All US planes catch you in dive, except P-38L.
US planes Luftwaffe faces:F4U-1D (1943)
If you see it, take a screenshot - this is a rare sighting. It can dive away from any Luftwaffe plane.
F4U-1C (1943 ?)
Chosen by unknown criteria, this plane entered the AH planeset and caused...you know it already

Can dive away from any Luftwaffe plane.
P-38L (1944)
Cool plane, able to give any Luftwaffe plane a hard time, unless its pilot makes a mistake and goes to scissor A-5 or something like that. Unbeatable at extremely high altitudes. Fastest Luftwaffe divers can catch it.
P-47D (1944)
Mr. Snapshot

It can surprise some planes by sometimes incredible TnB performance. Able to outdive any Luftwaffe plane.
P-51D (1944)
Excellent plane for staying alive. Firepower seems to have recieved a boost in latest revision, so no more assists. Able to outdive any Luftwaffe plane.
Appologies to VVS, RAF and IJA/IJN types. This post deals with LW vs US only.
Luftwaffe has only 2 1944 planes, and even they have "...but..." attached to them. Either is is a buff hunter or an old airframe brought to 1944 standards.
Luftwaffe needs a competent 1944 plane. Able to dive with US iron and fight them on their own terms. Not a "1944 plane", but a real one. Something able to dive with opportunists and catch them on the deck. Something historical. D-9 and 262.
Thank you