Frequent-flyer partner database

I keep a database of frequent-flyer partnerships. You can search by flight airline or by frequent-flyer program:

By flight airline

If you want to fly a specific airline, here's a list of what frequent-flyer programs it can earn you miles in.

By frequent-flyer program

If you want to earn miles in a particular program, here's a list of what airlines' flights can earn you miles in it.