Caveat - I don't think anyways save for critical employees (healthcare, etc.) and funerals should be flying. Also caveat that I'm glad I'm not running an airline right now.
WIth that said, AA has eliminated any food or beverage service on flights under 2200 miles as part of this. Delta has adjusted their food service to be pre-packaged snacks and meals, and bottled water. Two different ways to adapt to the changes and the CDC guidelines with two very different customer experiences.