Kammala jumla mai zuwa: Colts sun yi gasa a matsayin ƙungiyar memba na NFL tun lokacin da aka kafa su a Baltimore a 1953 bayan mai shi Carroll Rosenbloom ya sayi kadarorin NFL na ƙarshe mai kafa kungiyar Ohio League Dayton Triangles-Dallas Texans. Sun kasance daya daga cikin kungiyoyi uku na NFL don shiga cikin wadanda ke kungiyar kwallon kafa ta Amurka (AFL) don samar da AFC bayan hadewar 1970. Duk da yake a Baltimore, tawagar ta ci gaba zuwa wasan kwaikwayo sau 10 kuma ta lashe wasanni uku na NFL Championship a 1958,
1959, da kuma 1968. Colts sun buga wasanni biyu na Super Bowl yayin da suke zaune a Baltimore, sun yi rashin nasara a New York Jets a Super Bowl III kuma sun kayar da Dallas Cowboys a Super Bowl V. Colts sun koma Indianapolis a 1984 kuma tun daga lokacin sun bayyana a cikin wasan kwaikwayo sau 16, sun lashe gasar zakarun Turai biyu, kuma sun lashe Super Bowl daya, inda suka ci Chicago Bears a Super Bowl XLI.