Fly is learned by 11 species by level and 106 by machine

Effect, in PokéAPI's words

“User flies high into the air, dodging all attacks, and hits next turn.”

Who learns it

106 species in all, 8 of 24 games shown

Scarlet and Violet: 76 species

Species	Method	Level
Salamence	Level up, Machine	Evolve
Squawkabilly	Level up, Machine	30
Flapple	Level up, Machine	40
Fletchling	Level up, Machine	50
Vikavolt	Level up, Machine	50
Rayquaza	Level up, Machine	63
Fletchinder	Level up, Machine	64
Roaring Moon	Level up, Machine	70
Talonflame	Level up, Machine	74
Charizard	Machine
Dodrio	Machine
Articuno	Machine
Zapdos	Machine
Moltres	Machine
Dragonite	Machine
Mew	Machine
Hoothoot	Machine
Noctowl	Machine
Murkrow	Machine
Delibird	Machine
Skarmory	Machine
Lugia	Machine
Ho-Oh	Machine
Wingull	Machine
Pelipper	Machine
Vibrava	Machine
Flygon	Machine
Swablu	Machine
Altaria	Machine
Tropius	Machine
Latias	Machine
Latios	Machine
Starly	Machine
Staravia	Machine
Staraptor	Machine
Drifloon	Machine
Drifblim	Machine
Honchkrow	Machine
Giratina	Machine
Arceus	Machine
Ducklett	Machine
Swanna	Machine
Golurk	Machine
Rufflet	Machine
Braviary	Machine
Vullaby	Machine
Mandibuzz	Machine
Hydreigon	Machine
Volcarona	Machine
Tornadus	Machine
Thundurus	Machine
Reshiram	Machine
Zekrom	Machine
Landorus	Machine
Kyurem	Machine
Hawlucha	Machine
Noibat	Machine
Noivern	Machine
Pikipek	Machine
Trumbeak	Machine
Toucannon	Machine
Oricorio	Machine
Lunala	Machine
Rookidee	Machine
Corvisquire	Machine
Corviknight	Machine
Cramorant	Machine
Dragapult	Machine
Eternatus	Machine
Enamorus	Machine
Wattrel	Machine
Kilowattrel	Machine
Bombirdier	Machine
Flamigo	Machine
Iron Jugulis	Machine
Fezandipiti	Machine

Brilliant Diamond and Shining Pearl: 48 species

Species	Method	Level
Salamence	Level up, Machine	Evolve, 1
Rayquaza	Level up, Machine	63
Charizard	Machine
Pidgey	Machine
Pidgeotto	Machine
Pidgeot	Machine
Spearow	Machine
Fearow	Machine
Zubat	Machine
Golbat	Machine
Farfetch’d	Machine
Doduo	Machine
Dodrio	Machine
Aerodactyl	Machine
Articuno	Machine
Zapdos	Machine
Moltres	Machine
Dragonite	Machine
Mew	Machine
Hoothoot	Machine
Noctowl	Machine
Crobat	Machine
Togetic	Machine
Xatu	Machine
Murkrow	Machine
Delibird	Machine
Skarmory	Machine
Lugia	Machine
Ho-Oh	Machine
Taillow	Machine
Swellow	Machine
Wingull	Machine
Pelipper	Machine
Vibrava	Machine
Flygon	Machine
Swablu	Machine
Altaria	Machine
Tropius	Machine
Latias	Machine
Latios	Machine
Starly	Machine
Staravia	Machine
Staraptor	Machine
Drifblim	Machine
Honchkrow	Machine
Chatot	Machine
Togekiss	Machine
Giratina	Machine

Sword and Shield: 73 species

Species	Method	Level
Salamence	Level up, Machine	Evolve, 1
Flapple	Level up, Machine	40
Drampa	Level up, Machine	45
Fletchling	Level up, Machine	50
Vikavolt	Level up, Machine	50
Rayquaza	Level up, Machine	63
Fletchinder	Level up, Machine	64
Talonflame	Level up, Machine	74
Charizard	Machine
Zubat	Machine
Golbat	Machine
Farfetch’d	Machine
Aerodactyl	Machine
Articuno	Machine
Zapdos	Machine
Moltres	Machine
Dragonite	Machine
Mew	Machine
Hoothoot	Machine
Noctowl	Machine
Crobat	Machine
Togetic	Machine
Xatu	Machine
Delibird	Machine
Skarmory	Machine
Lugia	Machine
Ho-Oh	Machine
Wingull	Machine
Pelipper	Machine
Vibrava	Machine
Flygon	Machine
Swablu	Machine
Altaria	Machine
Latias	Machine
Latios	Machine
Drifblim	Machine
Togekiss	Machine
Giratina	Machine
Pidove	Machine
Tranquill	Machine
Unfezant	Machine
Woobat	Machine
Swoobat	Machine
Sigilyph	Machine
Archeops	Machine
Golurk	Machine
Rufflet	Machine
Braviary	Machine
Vullaby	Machine
Mandibuzz	Machine
Hydreigon	Machine
Volcarona	Machine
Tornadus	Machine
Thundurus	Machine
Reshiram	Machine
Zekrom	Machine
Landorus	Machine
Kyurem	Machine
Genesect	Machine
Hawlucha	Machine
Noibat	Machine
Noivern	Machine
Yveltal	Machine
Tapu Koko	Machine
Lunala	Machine
Celesteela	Machine
Naganadel	Machine
Rookidee	Machine
Corvisquire	Machine
Corviknight	Machine
Cramorant	Machine
Dragapult	Machine
Eternatus	Machine

Let's Go Pikachu and Let's Go Eevee: 17 species

Species	Method	Level
Aerodactyl	Level up, Machine	49
Charizard	Machine
Pidgey	Machine
Pidgeotto	Machine
Pidgeot	Machine
Spearow	Machine
Fearow	Machine
Zubat	Machine
Golbat	Machine
Farfetch’d	Machine
Doduo	Machine
Dodrio	Machine
Articuno	Machine
Zapdos	Machine
Moltres	Machine
Dragonite	Machine
Mew	Machine

Ultra Sun and Ultra Moon: 88 species

Species	Method	Level
Salamence	Level up, Machine	Evolve, 1
Drampa	Level up, Machine	45
Rayquaza	Level up, Machine	65
Charizard	Machine
Pidgey	Machine
Pidgeotto	Machine
Pidgeot	Machine
Spearow	Machine
Fearow	Machine
Zubat	Machine
Golbat	Machine
Farfetch’d	Machine
Doduo	Machine
Dodrio	Machine
Aerodactyl	Machine
Articuno	Machine
Zapdos	Machine
Moltres	Machine
Dragonite	Machine
Mew	Machine
Hoothoot	Machine
Noctowl	Machine
Crobat	Machine
Togetic	Machine
Xatu	Machine
Murkrow	Machine
Delibird	Machine
Skarmory	Machine
Lugia	Machine
Ho-Oh	Machine
Taillow	Machine
Swellow	Machine
Wingull	Machine
Pelipper	Machine
Vibrava	Machine
Flygon	Machine
Swablu	Machine
Altaria	Machine
Tropius	Machine
Latias	Machine
Latios	Machine
Starly	Machine
Staravia	Machine
Staraptor	Machine
Drifblim	Machine
Honchkrow	Machine
Chatot	Machine
Togekiss	Machine
Giratina	Machine
Arceus	Machine
Pidove	Machine
Tranquill	Machine
Unfezant	Machine
Woobat	Machine
Swoobat	Machine
Sigilyph	Machine
Archeops	Machine
Ducklett	Machine
Swanna	Machine
Golurk	Machine
Rufflet	Machine
Braviary	Machine
Vullaby	Machine
Mandibuzz	Machine
Hydreigon	Machine
Volcarona	Machine
Tornadus	Machine
Thundurus	Machine
Reshiram	Machine
Zekrom	Machine
Landorus	Machine
Kyurem	Machine
Genesect	Machine
Fletchling	Machine
Fletchinder	Machine
Talonflame	Machine
Hawlucha	Machine
Noibat	Machine
Noivern	Machine
Yveltal	Machine
Pikipek	Machine
Trumbeak	Machine
Toucannon	Machine
Oricorio	Machine
Tapu Koko	Machine
Lunala	Machine
Celesteela	Machine
Naganadel	Machine

Sun and Moon: 87 species

Species	Method	Level
Salamence	Level up, Machine	Evolve, 1
Drampa	Level up, Machine	45
Rayquaza	Level up, Machine	65
Charizard	Machine
Pidgey	Machine
Pidgeotto	Machine
Pidgeot	Machine
Spearow	Machine
Fearow	Machine
Zubat	Machine
Golbat	Machine
Farfetch’d	Machine
Doduo	Machine
Dodrio	Machine
Aerodactyl	Machine
Articuno	Machine
Zapdos	Machine
Moltres	Machine
Dragonite	Machine
Mew	Machine
Hoothoot	Machine
Noctowl	Machine
Crobat	Machine
Togetic	Machine
Xatu	Machine
Murkrow	Machine
Delibird	Machine
Skarmory	Machine
Lugia	Machine
Ho-Oh	Machine
Taillow	Machine
Swellow	Machine
Wingull	Machine
Pelipper	Machine
Vibrava	Machine
Flygon	Machine
Swablu	Machine
Altaria	Machine
Tropius	Machine
Latias	Machine
Latios	Machine
Starly	Machine
Staravia	Machine
Staraptor	Machine
Drifblim	Machine
Honchkrow	Machine
Chatot	Machine
Togekiss	Machine
Giratina	Machine
Arceus	Machine
Pidove	Machine
Tranquill	Machine
Unfezant	Machine
Woobat	Machine
Swoobat	Machine
Sigilyph	Machine
Archeops	Machine
Ducklett	Machine
Swanna	Machine
Golurk	Machine
Rufflet	Machine
Braviary	Machine
Vullaby	Machine
Mandibuzz	Machine
Hydreigon	Machine
Volcarona	Machine
Tornadus	Machine
Thundurus	Machine
Reshiram	Machine
Zekrom	Machine
Landorus	Machine
Kyurem	Machine
Genesect	Machine
Fletchling	Machine
Fletchinder	Machine
Talonflame	Machine
Hawlucha	Machine
Noibat	Machine
Noivern	Machine
Yveltal	Machine
Pikipek	Machine
Trumbeak	Machine
Toucannon	Machine
Oricorio	Machine
Tapu Koko	Machine
Lunala	Machine
Celesteela	Machine

Omega Ruby and Alpha Sapphire: 79 species

Species	Method	Level
Salamence	Level up, Machine	50
Rayquaza	Level up, Machine	65
Charizard	Machine
Pidgey	Machine
Pidgeotto	Machine
Pidgeot	Machine
Spearow	Machine
Fearow	Machine
Zubat	Machine
Golbat	Machine
Farfetch’d	Machine
Doduo	Machine
Dodrio	Machine
Aerodactyl	Machine
Articuno	Machine
Zapdos	Machine
Moltres	Machine
Dragonite	Machine
Mew	Machine
Hoothoot	Machine
Noctowl	Machine
Crobat	Machine
Togetic	Machine
Xatu	Machine
Murkrow	Machine
Delibird	Machine
Skarmory	Machine
Lugia	Machine
Ho-Oh	Machine
Taillow	Machine
Swellow	Machine
Wingull	Machine
Pelipper	Machine
Vibrava	Machine
Flygon	Machine
Swablu	Machine
Altaria	Machine
Tropius	Machine
Latias	Machine
Latios	Machine
Starly	Machine
Staravia	Machine
Staraptor	Machine
Drifblim	Machine
Honchkrow	Machine
Chatot	Machine
Togekiss	Machine
Giratina	Machine
Arceus	Machine
Pidove	Machine
Tranquill	Machine
Unfezant	Machine
Woobat	Machine
Swoobat	Machine
Sigilyph	Machine
Archeops	Machine
Ducklett	Machine
Swanna	Machine
Golurk	Machine
Rufflet	Machine
Braviary	Machine
Vullaby	Machine
Mandibuzz	Machine
Hydreigon	Machine
Volcarona	Machine
Tornadus	Machine
Thundurus	Machine
Reshiram	Machine
Zekrom	Machine
Landorus	Machine
Kyurem	Machine
Genesect	Machine
Fletchling	Machine
Fletchinder	Machine
Talonflame	Machine
Hawlucha	Machine
Noibat	Machine
Noivern	Machine
Yveltal	Machine

X and Y: 79 species

Species	Method	Level
Salamence	Level up, Machine	50
Rayquaza	Level up, Machine	65
Charizard	Machine
Pidgey	Machine
Pidgeotto	Machine
Pidgeot	Machine
Spearow	Machine
Fearow	Machine
Zubat	Machine
Golbat	Machine
Farfetch’d	Machine
Doduo	Machine
Dodrio	Machine
Aerodactyl	Machine
Articuno	Machine
Zapdos	Machine
Moltres	Machine
Dragonite	Machine
Mew	Machine
Hoothoot	Machine
Noctowl	Machine
Crobat	Machine
Togetic	Machine
Xatu	Machine
Murkrow	Machine
Delibird	Machine
Skarmory	Machine
Lugia	Machine
Ho-Oh	Machine
Taillow	Machine
Swellow	Machine
Wingull	Machine
Pelipper	Machine
Vibrava	Machine
Flygon	Machine
Swablu	Machine
Altaria	Machine
Tropius	Machine
Latias	Machine
Latios	Machine
Starly	Machine
Staravia	Machine
Staraptor	Machine
Drifblim	Machine
Honchkrow	Machine
Chatot	Machine
Togekiss	Machine
Giratina	Machine
Arceus	Machine
Pidove	Machine
Tranquill	Machine
Unfezant	Machine
Woobat	Machine
Swoobat	Machine
Sigilyph	Machine
Archeops	Machine
Ducklett	Machine
Swanna	Machine
Golurk	Machine
Rufflet	Machine
Braviary	Machine
Vullaby	Machine
Mandibuzz	Machine
Hydreigon	Machine
Volcarona	Machine
Tornadus	Machine
Thundurus	Machine
Reshiram	Machine
Zekrom	Machine
Landorus	Machine
Kyurem	Machine
Genesect	Machine
Fletchling	Machine
Fletchinder	Machine
Talonflame	Machine
Hawlucha	Machine
Noibat	Machine
Noivern	Machine
Yveltal	Machine

Changed over time

One change since Generation I

1. Through Gen IIIPower 7090 from Diamond and Pearl, Generation IV