Why does flight show up on Expedia but not JetBlue?

[Dakota731]

When I go into the Jet Blue site it says no flights available? But there are multiples on Expedia or Travelocity?

 

[Ross Kratter]

When I go into the Jet Blue site it says no flights available? But there are multiples on Expedia or Travelocity?

Could be codeshares. JetBlue and American have an agreement, for example.