Add Yahoo as a preferred source to see more of our stories on Google. A "travel alert" ahead of the FIFA World Cup has captured worldwide attention.

Add Yahoo as a preferred source to see more of our stories on Google. If you had plans to fly to roughly half of the United States this weekend, you may need to change your plans.

JetBlue Airways has two travel alerts: the first waives change fees for passengers ticketed to fly through six airports in the South and Mid-Atlantic region Friday through Sunday and the second covers six airports in the New York City and Philadelphia areas for customers scheduled to fly Saturday through Monday.