Originally Posted by
Josh1780
For historical data within the US dating back to 1995, I recommend using
http://apps.bts.gov/xml/ontimesummar.../src/index.xml
Data for all major US airlines as well as some regionals are included. The detailed statistics offer lots of information if that's what you're looking for.
Using this link I was able to find historical data for domestic flights, but curiously not data for US-Intl flight on US carriers. Is this available?