Originally Posted by
Lbell911
...... United flight attendants are eligible to commute on JetBlue at no cost when cabin seats are available. Accommodation on JetBlue in open cabin seats will be on a first-come, first-served basis.
In return, JetBlue's flight attendants will be eligible to travel at no charge in open economy cabin seats on United's North American mainline flights (50 states) beginning in November. They will travel on a BP11B boarding priority.
JB has that type of agreement with a few other airlines as well - just their initiative on how to help out their employees when traveling. Should be industry wide in my opinion.