Usually, it takes about 45 minutes to find a cabbie who is actually awake and has the air conditoning working. If it were me, i would call about 3 hours ahead of time to reserve your cab.
CBR to BC is about a mile. The fare shoult be minimal about $5plus tip. Because of the spread out nature of CBR you might want to call mears and have a cab pick you up by your room.
Look at the route on a map and make sure you aren't driven out of the way to bulk up the fare.