I need to get to Napa, the only direct flights from SNA are on ERD's, I'll be traveling with a 1 year old who will have her car seat and a four year old who won't - we will all have our own seats, how tight is the room in these planes? the other option is to go on an MRTC from LAX but I'd rather avoid LAX if possible. Any partner airlines that can get us to SFO or OAK from SNA on a larger plane?