Oh heavens yes.
Here in Boston, if you and I agree to meet at Mass Ave and Boylston Street at 9:30 AM three weeks from Thursday, that's it. It's done. Nothing more needs to be said, and barring
force majeure, both of us will be at the corner of Mass and Boylston at 9:30 AM that day--actually, probably at 9:25 AM. (*)
If, for some reason--some LEGITIMATE reason--it becomes impossible that we meet that day, the afflicted party contacts the other to reschedule as soon as it becomes clear that's the case. The amount of apologizing this involves varies inversely with the time left until the moment we originally agreed to meet.
Meanwhile, in San Francisco, if two people agree to meet at 9:30 AM, one of them will show up at 10, and will call the other person at 10:15. When they eventually get through to them, it'll transpire that the missing party decided to go up to Napa that day. "But you never called me to confirm, so I figured we were off."
If you're saying to yourself right now "What's this 'called to confirm' nonsense?", well, that's just what I said to myself the first two or three times someone pulled this stunt on me.
I wouldn't say this is the only reason I decided to move back to the East Coast, but it's an important one.
(*) The one no-foul exception for lateness is if you take the Green Line (**), in which case it is also customary for the other person to ask what the hell you were thinking.
(**) The Green Line is one of Boston's three subway lines (***), the busiest light-rail line in the USA. It's also known for being the most likely to stop working for no reason, or to crash because the driver fell asleep or was texting his girlfriend (****).
(***) I know the MBTA's map shows five subway lines. The Blue Line is, as far as I can tell, merely a rumor, and the Silver Line is a bus that for political reasons is referred to as a subway.
(****) Yes, both of these have actually happened within the past few years.