Since 2009, the Jacksonville Jaguars have the lowest winning percentage by a team, winning 30.8 percent of the time.

lowest winning percentage by a team since 2009
JaguarsBrownsCommandersLionsJetsRaidersBuccaneersGiantsBearsRamsTexansPanthersDolphinsTitansCardinalsBillsBroncosBengalsFalconsChargers49ersColts.308.324.393.402.402.411.415.431.446.453.453.458.464.478.487.504.504.507.509.513.516.538
TEAMGPW%WLTTDPTSPPGOPP PTSOPP PPG1DWN3DWN%4DWN%
Jacksonville JaguarsJacksonville Jaguars224.3086915504614,20518.85,54224.74,16636.647.4
Cleveland BrownsCleveland Browns224.3247215114694,19318.75,33723.84,17936.348.5
Washington CommandersWashington Commanders224.3938713525034,55520.35,40424.14,31636.946.7
Detroit LionsDetroit Lions224.4028913325725,05922.65,64925.24,58439.247.7
New York JetsNew York Jets224.4029013404664,35219.45,21423.33,99836.246.1
Las Vegas RaidersLas Vegas Raiders224.4119213205074,66620.85,84126.14,22837.350.6
Tampa Bay BuccaneersTampa Bay Buccaneers224.4159313105704,98022.25,49824.54,49039.949.1
New York GiantsNew York Giants224.4319612715424,82821.65,39024.14,33137.347.0
Chicago BearsChicago Bears224.44610012405294,71821.15,06622.64,20937.344.0
Los Angeles RamsLos Angeles Rams224.45310112215054,64420.75,04022.54,18936.043.7
Houston TexansHouston Texans224.45310112215374,87721.85,15623.04,45238.648.0
Carolina PanthersCarolina Panthers224.45810212115474,89421.85,15523.04,44138.351.6
Miami DolphinsMiami Dolphins224.46410412005184,64420.75,23123.44,24137.144.4
Tennessee TitansTennessee Titans224.47810711705654,88621.85,24423.44,15038.751.6
Arizona CardinalsArizona Cardinals224.48710811425504,87021.75,11422.84,36636.052.1
Buffalo BillsBuffalo Bills224.50411311105645,00622.34,95322.14,32838.444.6
Denver BroncosDenver Broncos224.50411311105665,02622.44,93922.04,47236.848.1
Cincinnati BengalsCincinnati Bengals224.50711210935685,00022.34,90221.94,37738.558.6
Atlanta FalconsAtlanta Falcons224.50911411006005,38324.05,23323.44,79743.751.3
Los Angeles ChargersLos Angeles Chargers224.51311510906215,43524.35,06022.64,82943.652.3
San Francisco 49ersSan Francisco 49ers224.51611510815505,00122.34,72121.14,24136.652.5
Indianapolis ColtsIndianapolis Colts224.53812010315905,25123.45,22223.34,64141.051.3
Minnesota VikingsMinnesota Vikings224.54012010225995,26023.55,05922.64,44139.049.3
Philadelphia EaglesPhiladelphia Eagles224.5561249916495,63625.25,13722.94,76041.053.4
Dallas CowboysDallas Cowboys224.5631269806355,58824.95,00822.44,74641.956.0
Seattle SeahawksSeattle Seahawks224.5871319216105,32923.84,60420.64,34738.551.3
Baltimore RavensBaltimore Ravens224.6071368805875,41524.24,35619.44,61540.253.8
Kansas City ChiefsKansas City Chiefs224.6161388606225,48224.54,82321.54,61540.253.6
Pittsburgh SteelersPittsburgh Steelers224.6251398325715,18723.24,48120.04,56841.449.7
New Orleans SaintsNew Orleans Saints224.6251408407356,15327.55,11622.84,99744.957.1
Green Bay PackersGreen Bay Packers224.6561467627015,88926.34,89021.84,70342.250.2
New England PatriotsNew England Patriots224.7101596507146,25327.94,28019.15,02842.554.0