The ad then refers to the crisis that stalled JetBlue for nearly a week, following the Valentine's Day storm. The ad appeared in newspapers in New York, Boston and Washington, D.C., says Bryan Baldwin, a spokesman for the airline. In total, it will run in 15 cities and 20 newspapers. "From the outset, we've been very upfront about how we made a mistake during the past few days," Baldwin says. "We want to make sure our customers know that."