How long does new flooring take to install?

Two to four days for a typical floor once the subfloor is sound, plus the acclimation time before it. Hardwood and laminate need to sit in the room for several days so the material reaches the humidity it will live in; skipping that is what causes gaps in winter and buckling in summer. Tile takes longer because of setting and grouting time. The subfloor is the variable: a floor that needs levelling before anything is laid adds a day and is not optional.