Originally Posted by
OhDoctor
That's exactly right. B6 insists that this is a fee EI has charged them (and they are subsequently passing on to me) as part of their interline agreement. Here is how the fee is displayed on the receipt for the new flight (ticket #s blanked out):

From the fare rules I looked at for an EI flight purchased on jetblue.com. You also get the privilege of paying around $900 more than flying on Jet Blue metal.
CANCELLATIONS?BEFORE DEPARTURE?CHARGE USD 200.00.