Airports in order of movements and number of Runways. I have no idea how the runways might be utilised. The number of runways at each airport in the US is from airnav, movements from ACI.
KATL 5 runways. 980,386 movements
KORD 6 runways. 972,248 movements
KDFW 7 runways. 711,878 movements
KLAX 4 runways. 650,629 movements
KLAS 4 runways. 605,046 movements
KIAH 5 runways. 562,966 movements
KDEN 6 runways. 560,669 movements
KPHX 3 runways. 555,256 movements
KPHL 4 runways. 535,666 movements
KMSP 4 runways. 532,240 movements
LFPG 4 runways. 522,619 movements
KDTW 6 runways. 521,899 movements
KCLT 3 runways. 521,878 movements
KIAD 3 runways. 509,468 movements
KCVG 4 runways. 496,364 movements
EDDF 3 runways. 490,147 movements
EGLL 2 runways. 477,884 movements
KSLC 4 runways. 455,472 movements