Hot on the heels of Delta's decision to cut their second checked bag fee to $25, United has decided not to implement its planned hike of a second bag fee to $50. It will remain at $25 for the forseeable future. The first checked bag fee remains at $15. There are exceptions to these fees.

Plus, if you prepay your baggage fees online before departure, you'll save a whopping 20%. This discount applies through Jan 1, 2009 only and only to the first checked bag. Let's see. That saves you a whole $3?