Start by visiting the JetBlue Airlines website with any web browser.
Next, select the Manage Trips option in the header section.
In the spaces designated, type the Confirmation Code and the passenger's last name.
Select the Find Flight option, followed by the Date Change option, to start this process.
To finish the flight date adjustment process, you simply need to enter the new flight schedule.
Complete the major reservation details after that, then proceed to the payment summary section.
The Flight change fee(https://cutt.ly/pK68Ixp) must now be paid, and you must wait for an email confirmation.

Also read : https://cutt.ly/rK68Alx