The NFL is designed for parity, but the last decade has shown that some franchises have consistently found ways to win while others have struggled to stay competitive.DraftKings recently shared every teams regular-season record since the start of the 2016 season, and the numbers paint a fascinating picture of the league. There are dynasties, consistent contenders, surprising overachievers, and a few franchises that have become the subject of jokes across the NFL.MORE: Chiefs star looks better than expected early in NFL training campChiefs stand aloneAug 22, 2025; Kansas City, Missouri, USA; Kansas City Chiefs quarterback Patrick Mahomes (15) talks with head coach Andy Reid after a play against the Chicago Bears during the first half of the game at GEHA Field at Arrowhead Stadium. Mandatory Credit: Denny Medley-Imagn ImagesNo team has dominated the past decade quite like the Kansas City Chiefs.Kansas City owns an incredible 118-47 regular-season record since 2016, comfortably leading the NFL and separating itself from the rest of the league. The Bills (105-59), Ravens (103-62), Eagles (101-63-1), Seahawks (101-63-1), and Steelers (101-62-2) are among the other organizations that have consistently remained in the playoff picture during that span.Overall, 15 NFL teams have posted winning records over the last 10 seasons, highlighting just how difficult sustained success is in todays league.MORE: AFC North team may already boast the NFLs best rookie class of 2026The other end of the spectrumJan 27, 2025; Florham Park, NJ, USA; New York Jets owner Woody Johnson speaks during an introductory press conference at Atlantic Health Jets Training Center. Mandatory Credit: John Jones-Imagn ImagesNot every franchise has enjoyed the same success.The New York Jets own the NFLs worst record over the past decade at 49-116, while their MetLife Stadium roommates, the New York Giants, havent fared much better at 55-109-1.The Browns (59-105-1), Cardinals (61-102-2), Panthers (61-104), Jaguars (63-102), Raiders (68-97), Bears (68-97), and Bengals (71-91-2) have also endured difficult stretches since 2016.While every team enters each season believing it can compete, these records show just how challenging sustained success truly is in the NFL.As the 2026 season approaches, several of these struggling franchises hope to begin rewriting their story, while teams like the Chiefs will look to continue one of the greatest runs of regular-season success the league has ever seen.Enjoy free coverage of the top news & trending stories with The Big Lead Newsletter