Depending on the terrain, anywhere from a month to two months for site prep (earth moving, access road, pad building, etc). Longer, if it's on a steep hillside requiring extra efforts, or some other terrain issues are involved.
One well a coupla miles from my camp took over four months of prep work, because they cut/filled and hauled in hundreds of triaxle loads of fill to make level pad areas. Dang thing looks like a mountain from the south, due to the huge dirt bank below the pads. It's probably 400 feet high.
Once the road/pads are constructed and all the environmental safeguards are in place, then it's a wait for drilling rig availablility. Once they start drilling, may be there for weeks or well over a month.
Then the real commotion comes. Pump trucks, dozens and dozens of frack fluid container trailers being hauled in, dozens and dozens of tankers hauling in the frack fluid, piping installed and then they're ready to frack the well.
Sounds like a coupla dozen 747s at full throttle once they start fracking, day and night until they're done.
Other than that, not much to it?
Beyond all that, the biggest complaint I heard when the well was put in down the road from camp (other than all the noise), was from the folks who live up the hill from the well. When they began flaring-off the gas while recovering the frack fluid, it drove 'em nuts having the sky light up intermittently during the night. They eventually slept in a back bedroom while that was going on.