The Clue
Zeta-theta separator (3 letter answer)
The Answer
ETA
Tags
Notes
The answer ETA is very common and appears about once every 25 puzzles.
Related Clues
After zeta
Airport abbr.
Airport approximation
Airport initials
In-flight info
Fraternity letter
Greek letter
Greek vowel
Hippocrates' H
Info at SFO
J.F.K. abbr.
J.F.K. guess
J.F.K. listing
J.F.K. posting
Kennedy abbr.
KLM announcement
LAX datum
Letter from abroad
Letter from Greece
Letters at LAX
Schedule abbr.
Sked letters
Zeta chaser
Zeta follower
Airport posting: Abbr.
Airport sched. abbr.
In-flight announcement, briefly
Flight board abbr.
LAX monitor info
Letter before theta
Passenger's info, maybe
Pilot's announcement, briefly
Pilot's datum: Abbr.
Pilot's projection: Abbr.
Posting at SFO or LAX
Seventh Greek letter
Traveler's request: Abbr.
When a flight is due in: Abbr.
When the pilot is due in, for short
When a plane is due in: Abbr.
Definition
ETA as a noun:
1. (Basque Homeland and Freedom, Basque Fatherland and Liberty, Euskadi ta Askatasuna, ETA) = a terrorist organization organized in 1959 by student activists who were dissatisfied with the moderate nationalism of the traditional Basque party; want to create on independent homeland in Spain's western Pyrenees; "in 1968 ETA launched a campaign of political assassinations of government officials"
2. the 7th letter of the Greek alphabet