Never fly Delta. Both Husband and I are claustrophobic. Flights are on an MD88 and 717-200. Buying up to first or C+ is an option. Which is worth it more? I'm not a tiny gal and seats with reduced width are bothersome. We usually op up to E+ on United and First when reasonable. 2 hour flight, but a bit of a splurge trip anyway. Happy to hear your thoughts!