Kammala jumla mai zuwa: Rashin P-40 na supercharger mai saurin gudu biyu ya sa ya zama ƙasa da mayaƙan Luftwaffe kamar Messerschmitt Bf 109 ko Focke-Wulf Fw 190 a cikin yaƙi mai tsayi kuma ba kasafai ake amfani da shi ba a cikin ayyukan a cikin
Arewa maso yammacin Turai. Duk da haka, tsakanin 1941 da 1944, P-40 ya taka muhimmiyar rawa tare da sojojin sama na Allied a manyan manyan wasan kwaikwayo guda uku: Arewacin Afirka, Kudu maso yammacin Pacific, da China. Hakanan yana da muhimmiyar rawa a Gabas ta Tsakiya, kudu maso gabashin Asiya, Gabashin Turai, Alaska da Italiya. Ayyukan P-40 a babban tsawo ba su da mahimmanci a cikin wadannan fina-finai, inda ya yi aiki a matsayin jirgin saman saman saman sama, mai ba da bom da kuma mai fashewa. Ko da yake ya samu wani postwar suna a matsayin mediocre zane, dace kawai ga kusa iska goyon baya, mafi yawan 'yan bincike ciki har da nazari na records na mutum Allied squadrons ya nuna cewa wannan ba haka ba ne: da P-40 yi mamaki da kyau a matsayin iska rinjaye jirgin saman soja, a sau shan wahala tsanani asarar, amma kuma inflicting mai nauyi nauyi a kan m jirgin sama. Dangane da da'awar cin nasara a lokacin yaƙi, sama da matukan jirgin sama 200 na Allied daga Burtaniya, Ostiraliya, New Zealand, Kanada, Afirka ta Kudu, Amurka da Tarayyar Soviet sun zama aces masu tashi P-40. Wadannan sun hada da akalla 20 sau biyu, mafi yawa a Arewacin Afirka, China, Burma da Indiya, Kudu maso yammacin Pacific da Gabashin Turai. The P-40 miƙa da ƙarin abũbuwan amfãni daga low cost da kuma karko, wanda kiyaye shi a samar a matsayin ƙasa-hare jirgin sama dogon bayan da aka obsolescent a matsayin wani jirgin saman soja.