Which American fighter had more total air to air kills than the P-51?
In single theater operations, the Hellcat would be number one with 5,168 kills in to the PTO, with the Mustang coming in second with 4,950 kills in the ETO. However, if you were to combine all theater of operations, the Mustang would be number one with 5,954 kills spread out through the ETO, PTO, CBI and MTO with the Hellcat coming in second with 5,168 in the PTO and ETO.
So to answer your question, the Mustang had the most kills of any US fighter during the war.
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