Safety OPERATION DATA

Dec. 2017 
(01~31.Dec)(Dec. 1-31 2017)

calender
Dec.2017

2018

  • Jan.
  • Feb.
  • Mar.
  • Apr.
  • May.
  • Jun.
  • Jul.
  • Aug.
  • Sep.
  • Oct.
  • Nov.
  • Dec.

2017

2016

2015

2014

Number of flights

All international 
and domestic flights

30,543

Domestic 
Flights

25,974

International 
Flights

4,569

Actual operation rate

All international 
and domestic flights

98.9%

Domestic
flights

98.7%

Flights canceled

331

Due to weather

210

Due to equipment failure

22

Due to equipment operation

86

Other

13

International
flights

99.9%

Flights canceled

1

Due to weather

0

Due to equipment failure

1

Due to equipment operation

0

Other

0

On-time departure rate

All international 
and domestic flights

87.6%

Domestic
flights

87.3%

Departure flights delayed

3,300

Due to weather

111

Due to equipment failure

86

Due to equipment operation

2,482

Other

621

International
flights

89.6%

Departure flights delayed

477

Due to weather

16

Due to equipment failure

34

Due to equipment operation

110

Other

317

On-time arrival rate

All international 
and domestic flights

83.7%

Domestic
flights

83.1%

Arrival flights delayed

4,380

International
flights

87.0%

Arrival flights delayed

593

Flights diverted

Domestic flights

Flights diverted

9

Due to weather

6

Due to equipment failure

0

Other

3

International Flights

Flights diverted

2

Due to weather

1

Due to equipment failure

0

Other

1

Returned to airport of departure

Domestic flights

Flights returned to departure airport

29

Due to weather

25

Due to equipment failure

3

Other

1

International Flights

Flights returned to departure airport

0

Due to weather

0

Due to equipment failure

0

Other

0