FLIGHTS is a playable word

flight Scrabble® Dictionary

verb
flighted, flighting, flights
to fly in a flock
67 Playable Words can be made from "FLIGHTS"
   2-Letter Words (9 found)
   3-Letter Words (17 found)
   5-Letter Words (10 found)
   6-Letter Words (5 found)
   7-Letter Words (1 found)