Air Cutter is learned by 29 species by level, 77 by machine, 67 by tutor and 6 by egg

Effect, in PokéAPI's words

“Has an increased chance for a critical hit.”

Who learns it

122 species in all, 8 of 18 games shown

Scarlet and Violet: 77 species

Species	Method	Level
Nuzleaf	Level up, Machine	1
Shiftry	Level up, Machine	1
Iron Jugulis	Level up, Machine	1
Oricorio	Level up, Machine	13
Yanma	Level up, Machine	14
Tornadus	Level up, Machine	20
Masquerain	Level up, Machine	22
Noibat	Level up, Machine	24
Noivern	Level up, Machine	24
Charizard	Machine
Venomoth	Machine
Scyther	Machine
Articuno	Machine
Zapdos	Machine
Moltres	Machine
Dragonite	Machine
Mew	Machine
Hoothoot	Machine
Noctowl	Machine
Murkrow	Machine
Scizor	Machine
Delibird	Machine
Skarmory	Machine, Egg
Lugia	Machine
Ho-Oh	Machine
Wingull	Machine, Egg
Pelipper	Machine
Volbeat	Machine
Illumise	Machine
Vibrava	Machine
Flygon	Machine
Tropius	Machine
Latias	Machine
Latios	Machine
Empoleon	Machine
Starly	Machine
Staravia	Machine
Staraptor	Machine
Drifloon	Machine
Drifblim	Machine
Honchkrow	Machine
Lumineon	Machine
Yanmega	Machine
Shaymin	Machine
Ducklett	Machine
Swanna	Machine
Rufflet	Machine
Braviary	Machine
Vullaby	Machine
Mandibuzz	Machine
Volcarona	Machine
Fletchling	Machine
Fletchinder	Machine
Talonflame	Machine
Vivillon	Machine
Rowlet	Machine
Dartrix	Machine
Decidueye	Machine
Pikipek	Machine
Trumbeak	Machine
Toucannon	Machine
Inteleon	Machine
Rookidee	Machine
Corvisquire	Machine
Corviknight	Machine
Cramorant	Machine
Kleavor	Machine
Quaxly	Machine
Quaxwell	Machine
Quaquaval	Machine
Squawkabilly	Machine
Wattrel	Machine
Kilowattrel	Machine
Bombirdier	Machine
Flamigo	Machine
Iron Bundle	Machine
Fezandipiti	Machine

Legends Arceus: 8 species

Species	Method	Level
Togetic	Level up	Evolve
Beautifly	Level up	Evolve
Chatot	Level up	11
Togekiss	Level up	11
Tornadus	Level up	14
Zubat	Level up	18
Golbat	Level up	18
Crobat	Level up	18

Brilliant Diamond and Shining Pearl: 15 species

Species	Method	Level
Nuzleaf	Level up	1
Shiftry	Level up	1
Honchkrow	Level up	1
Beautifly	Level up	20
Masquerain	Level up	22
Zubat	Level up	25
Farfetch’d	Level up	25
Golbat	Level up	27
Crobat	Level up	27
Murkrow	Level up	35
Charmander	Egg
Pidgey	Egg
Skarmory	Egg
Wingull	Egg
Chatot	Egg

Sword and Shield: 19 species

Species	Method	Level
Naganadel	Level up	Evolve, 1
Nuzleaf	Level up	1
Shiftry	Level up	1
Woobat	Level up	15
Swoobat	Level up	15
Sigilyph	Level up	15
Pidove	Level up	16
Tranquill	Level up	16
Unfezant	Level up	16
Tornadus	Level up	20
Kartana	Level up	20
Noibat	Level up	24
Noivern	Level up	24
Zubat	Level up	25
Farfetch’d	Level up	25
Golbat	Level up	27
Crobat	Level up	27
Skarmory	Egg
Wingull	Egg

Ultra Sun and Ultra Moon: 24 species

Species	Method	Level
Naganadel	Level up	Evolve, 1
Kartana	Level up	1
Skarmory	Level up	12
Oricorio	Level up	13
Pidove	Level up	15
Tranquill	Level up	15
Unfezant	Level up	15
Zubat	Level up	19
Golbat	Level up	19
Crobat	Level up	19
Tornadus	Level up	19
Beautifly	Level up	20
Farfetch’d	Level up	21
Woobat	Level up	21
Swoobat	Level up	21
Sigilyph	Level up	21
Wingull	Level up	22
Masquerain	Level up	22
Noibat	Level up	23
Noivern	Level up	23
Charmander	Egg
Pidgey	Egg
Chatot	Egg
Ducklett	Egg

Sun and Moon: 23 species

Species	Method	Level
Kartana	Level up	1
Skarmory	Level up	12
Oricorio	Level up	13
Pidove	Level up	15
Tranquill	Level up	15
Unfezant	Level up	15
Zubat	Level up	19
Golbat	Level up	19
Crobat	Level up	19
Tornadus	Level up	19
Beautifly	Level up	20
Farfetch’d	Level up	21
Woobat	Level up	21
Swoobat	Level up	21
Sigilyph	Level up	21
Wingull	Level up	22
Masquerain	Level up	22
Noibat	Level up	23
Noivern	Level up	23
Charmander	Egg
Pidgey	Egg
Chatot	Egg
Ducklett	Egg

Omega Ruby and Alpha Sapphire: 21 species

Species	Method	Level
Skarmory	Level up	12
Pidove	Level up	15
Tranquill	Level up	15
Unfezant	Level up	15
Zubat	Level up	19
Golbat	Level up	19
Crobat	Level up	19
Beautifly	Level up	20
Farfetch’d	Level up	21
Woobat	Level up	21
Swoobat	Level up	21
Sigilyph	Level up	21
Wingull	Level up	22
Masquerain	Level up	22
Noibat	Level up	23
Noivern	Level up	23
Tornadus	Level up	25
Charmander	Egg
Pidgey	Egg
Chatot	Egg
Ducklett	Egg

X and Y: 19 species

Species	Method	Level
Pidove	Level up	15
Tranquill	Level up	15
Unfezant	Level up	15
Farfetch’d	Level up	21
Woobat	Level up	21
Swoobat	Level up	21
Sigilyph	Level up	21
Skarmory	Level up	23
Noibat	Level up	23
Noivern	Level up	23
Tornadus	Level up	25
Zubat	Level up	26
Golbat	Level up	28
Crobat	Level up	28
Wingull	Level up	33
Charmander	Egg
Pidgey	Egg
Chatot	Egg
Ducklett	Egg

Changed over time

One change since Generation III

1. Through Gen VPower 5560 from X and Y, Generation VI