Originally Posted by dhuey
1) Routes -- I haven't checked lately, but Southwest from OAK has had the only nonstop service from SF/Oakland to San Diego.
FYI, United has ~9 non-stops between SFO and SAN, starting at 6:30am and going through 9:30pm. All mainline narrowbody equipment.
Prices can be a little extreme though. UA seems to have enough connecting traffic on that route that they don't open up many cheap seats for O&D passengers. There have been a number of times I've had to reluctantly fly WN or do OAK-LAX-SAN on UA to avoid paying $800+ for the UA non-stops.