Pre-flight or Preflight may refer to:
*
Walk-around, the pre-flight inspection of an aircraft by its pilot or flight engineer
*
Pre-flight (printing)
{{Unreferenced, date=October 2008
In printing, Preflight is the process of confirming that the digital files required for the printing process are all present, valid, correctly formatted, and of the desired type. The basic idea is to prepare the f ...
, by analogy with the above
*
''Preflight'' (EP), a 2002 EP by Building 429
* Preflight request, a request made by modern web browsers to perform certain
cross-origin resource sharing
Cross-origin resource sharing (CORS) is a mechanism that allows restricted resources on a web page to be requested from another domain outside the domain from which the first resource was served.
A web page may freely embed cross-origin images, ...
{{disambiguation