I BOUGHT A TICKET FROM FRONTIER AIRLINES AND BEFORE I HIT THE SUBMIT BUTTON. IT STATED THERE IS FREE CANCELLATION WITHIN 24 HOURS. EVERYTHING WAS CONFIRMED AT 624 ON NOV 5 2017. I CALLED BACK ON NOV 6 AT 608 WANTED TO CANCEL. I WAS WITHIN THE 24 HOUR TIMEFRAME. CUSTOMER SERVICE TOLD ME I HAD TO CALL BY 545. ON THE WEBSITE I DID NOT SEE WHAT TIME I HAD TO CALL. WITHIN 24 HOURS MEANS I CAN CALL ANYTIME WITHIN THAT TIMEFRAME.