[SaF] Which Airlines Serve Which Airports?

[Karlo FREEMAN]

I looked today to find a site that lists all the airlines that serve a
particular airport.  (I'm thinking about airports in the U.S.?

For example, which airlines serve my local airport--Sacramento, CA
(SMF)?

I'm, of course, looking for a site where someone else has done the
grunt work, and all I have the do is read.

Thanks.

Karlo