It really depends on how far ahead or behind schedule you are. In general though, it would take around 6 to 7 hours, varying in different circumstances.
1 1/2 hours
it's a long way
about 6hrs
About six hours
About 24 hours
About 3 hours
About five hours
Around 3 hours.
3 hours
About 24 hours
around 7 hours
It will take about 3 hours and 30 minutes.