Anytime you see a fare under $500 from EWR to BZE you should buy it!
1B - rather than await an email from DL, why not simplygo to any travel site and plug in your dates? Your answer may be there.
I also think that now is way too early to book a Feb flight, with respect to pricing. Historically, I've found the best 45-29 days out.
_________________________
_ _ _ _ _ _ _________________ _ _ _ _ _ _
But then what do I know, I am but a mere caveman