Travelers needn't worry that bankruptcy will ground an airline (Lexington Herald-Leader)

``I read a news brief in my local Travel section that both Northwest and Delta are likely to file Chapter 11 soon,'' wrote a reader in mid-August. ``How is this going to affect travelers? Should we avoid buying plane tickets from these carriers for travel later this year? Will ticket prices come down after they file Chapter 11? And, once they've filed, are we relatively `safe' in buying their