That's not a corner. There's nowhere in the 48 states that you can't get to another runway on reserve fuel. You don't HAVE to land at an airport that your airline serves, or any airline serves for that matter.
If you land at an airport that is not approved in your OPs Specs, expect to do a carpet dance in front of the feds and your company.Don't forget that you will need performance data to get your brilliant decision making out of there.