I'm a 1K that's never been on either . The only RJ I've EVER been on is a Canadair 700 LGA-IAD or visa versa. I guess all these people that keep getting stuck on RJ's must be flying between a hub and a smaller airport or is that not really the case. I've seen all the RJ's parked at IAD or LAX but they all seem to be going to places like Baffalo or Palm Springs.