Originally Posted by
cbn42
It is common for domestic flights (or flights within free-travel areas such as the Schengen area) in many parts of the world.
The only real purpose of checking IDs is to enforce the no-fly list.
If the only real purpose was to enforce a no-fly list and the Czech Repulic doesn't have its own no-fly list, why does PRG check ID even for intra-Schengen travel?