At least the airline didn't mix up the cities of Paris and Detroit. That would have been a very unfortunate surprise.

According to a legal complaint filed by Edward Gamson, an American dentist, he and his partner booked a trip to the Spanish city of Granada through British Airways. They were flying out of London, which is a two-hour journey from Granada. Unfortunately, that two-hour flight was actually a nine-hour flight to the Caribbean, because that plane was going to Grenada, 4,000 miles away from their original destination. One letter makes a big difference.

Obviously, Edward, who claims in the filing that he only noticed the problem when he saw on the electronic map on his screen that the plane was headed west out of London, was very upset about the botched vacation. When he brought it to the attention of the flight staff, he alleges they said that the couple would immediately be put on a return trip to their desired destination in Spain as soon as they landed. Instead, Edward claims they were put through a three-day ordeal that resulted in no trip to Granada and no refunds for their first-class tickets that cost $4,500.