Originally Posted by
egtravel
I fly VX at least every other month from LAX - SFO and always have been able to upgrade to 1st for $50. But, you have to check in 24 hours in advance and be the first!
It's about the only first class experience I get these days, even if it's only for an hour. At least they give you (all but one time for me) a PDC! :P
Excuse my ignorance, but what is a PDC? I couldn't find it in the Glossary, Wikipedia or Google.