JetBlue's flight change policy allows passengers to make changes to their bookings, including date and time changes, up to 24 hours before the original departure. Fare differences may apply. Same-day changes can be made for a fee, subject to availability. Blue Flex fare holders can change or cancel flights with no fees. Basic Blue fares are generally non-changeable. It's advisable to review the fare rules and change policy on JetBlue's official website before making any adjustments to your reservation.
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