Kevin Costner had one of the largest runs in Hollywood between 1987 and 1992: The Untouchables, No Way Out, Bull Durham, Field of Dreams, Dances with Wolves, JFK and The Bodyguard. Dances with Wolves won him Best Director and Best Picture.
Waterworld and The Postman then became shorthand for expensive failure, and his standing took a decade to recover.
The westerns are the throughline. Open Range, Wyatt Earp, Dances with Wolves and the self-financed Horizon suggest a genuine conviction about the form and not a commercial calculation.
He has been most consistently good in sports films, where his particular quality, a decent man who is quietly stubborn, fits exactly.