Originally Posted by
PresRDC
Assume there is PreCheck in at least the H security area?
Flying LAN soon and debating whether to buy a refundable Delta ticket to clear security with PreCheck.
Yes there is but PreCheck lines can be slow at MIA. At times you really save very little time in Pre Check versus the ordinary Security line so buying and cancelling a non refundable DL flight would yield you not much in time savings.