For canceled flights, airlines typically provide a credit or voucher.
But what if the voucher expires while the pandemic still rages on?
The rules regarding vouchers/credits
Airline vouchers are used in place of cash compensation.
They are credited to your airline account, similar to a booking or ticket number.
And like everything else, the terms and conditions governing them vary from one airline to another.
The expiration date means you have until then [in this hypotheticalMay 15th] to book your travel.
Their customer service recommends that travelers contact Delta directly before the expiration of the voucher.
Be prepared with your full name (at time of booking) and voucher number.
you’re able to find their full eCredit policyhere.
JetBlue
JetBlue offers their travelers Travel Bank Credits.
A caveat: You must call before the voucher expires.
Southwest
Southwests vouchers are referred to as travel funds.
Be sure to check to double-check your travel funds expirationon the Southwest site.
This includes all currently valid electronic certificates and all new ones issued on or after April 1, 2020.
This policy change will automatically appear, but it may not be reflected everywhere right away.
The airline notes that the extended expiry dates may not be immediately reflected on all sections of the site.