There are plenty of taxi companies in Kraków, and quite a lot of areas where taxis wait for customers.
Typical rates are something in the region of 7zł plus about 2.30zł per km (after midnight or sundays are more
expensive). They generally don't charge for the time in a taxi, just by distance. So traffic makes no difference to
The following taxis generally have much better rates than other companies, and are recommended:
Polish people generally won't tip taxi drivers. But taxi drivers sometimes would expect it from foreigners. 10% or rounded up would be adequate if you do want to tip.
Read our famous and comprehensive guide to everything you need to know before vistiing Kraków!