JetBlue is on a promotional tear. Triple points for June flights. A fast track to elite status. Matching points for Virgin America flyers.

And now this: free PreCheck enrollment for JetBlue’s Mosaic elite members.

PreCheck normally costs $85 for five years’ worth of trusted-traveler status. For frequent flyers, it’s arguably worth more, especially with this summer’s uptick in lengthy waits at security checkpoints.

This is a one-time offer, not a permanent feature of Mosaic status. It’s only available to TrueBlue members who had Mosaic status on or before June 30, who will be emailed an award code which must be redeemed for a PreCheck enrollment voucher before September 30. (JetBlue said that emails would be sent out “by July 1.” Mosaic members who didn’t receive a notification should contact the airline directly.)

Mosaic members who are already enrolled in PreCheck won’t lose out: They can give their award code to a friend or family member.

Reader Reality Check

What must JetBlue do to get your business?

After 20 years working in the travel industry, and almost that long writing about it, Tim Winship knows a thing or two about travel. Follow him on Twitter @twinship.

This article first appeared on SmarterTravel.com, where Tim is Editor-at-Large.