When Your last JetBlue flight was comfortable, however when you checked your bags, several of them were missing. Do not stress yourself if you left something behind on the JetBlue plane. Just fill out a JetBlue lost and found form online and let the airline find that for you. You can also contact JetBlue by phone at 1-844-414-9223. As they make sure to return all the products to their respective owners, this airline will assist you in recovering them.