Crossword Clue:

Best guess Abbr

AnswerCrossword Clue
ESTBest guess: Abbr.
ETAAirline's best guess (Abbr.)
ETAAirline's best guess (Abbr)
ETABest guess?
GAUGEDTook one's best guess
ESTBest guess, for short
ETAAirline's best guess, for short