Flying does ×1 to Dark

Generations VI to IX, single types. The other way round, Dark against Flying, is ×1.

109 Flying and 69 Dark species among the 1025 this site covers.

Attacker, Dragon and Flying Rayquaza sprite

damage×1Generations VI to IX

Defender, Dark Umbreon sprite

Umbreon #0197

Dark did not exist in Generation I, so Flying against Dark has no value there.

Strongest Flying attackers

Rayquaza leads Flying at Atk 150

Sturdiest Dark defenders

Dual types that change the answer