What does ATA mean at the airport?

ATA in the airport means the actual arrival time, the abbreviation of the English sentence Actual Time of Arrival. n Airport indication information:
Airport
In out of the station (out of the port, leaving)
The waiting room departure lounge
Building Airport Terminal
Passport Control
Terminal
toilet toilet; w. C.;; REST Room
delay delayed
R n board Boarding
Airport fees Airport Fee
The domestic airport DOMESTIC Airport
boarding pass Boarding Pass (Card)
International Flights DEPARTURE
In international flight passengers
This Domestic Departure
Trangers
Satellite
n TRANSFER
Exit exit; OUT; Way Out
The transit transit
Nothing to Declare
The VIP room v.I.P. Room Customs
TiCket Office
Gate; departure gate
Cash
N flight number FLT No (Flight Number)
The taxi pitch point Taxi Pick-up point
From ... Arriving from
The expected time SCHELED TIME (SCHED)
The airline car service office Airline coach service
actual time Actual
As a result, downstairs DOWN;
The duty-free shop Ty-free shop
bank banks Bank n post office

This Hotel
This arrangement Tour
The luggage locker
Luggage tag
n bus bus; coach service
to go ... departure to
The elevator goes to the boarding Stairs and Lifts to
Restaurant

Abbr.Actual Time of Arrival's actual arrival time;

ATA Aviation Transportation Association