Safety OPERATION DATA

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

calender
Jul.2017

2018

2017

2016

2015

2014

Number of flights

All international 
and domestic flights

30,813

Domestic 
Flights

26,300

International 
Flights

4,513

Actual operation rate

All international 
and domestic flights

99.3%

Domestic
flights

99.2%

Flights canceled

210

Due to weather

94

Due to equipment failure

21

Due to equipment operation

69

Other

26

International
flights

99.9%

Flights canceled

3

Due to weather

0

Due to equipment failure

2

Due to equipment operation

0

Other

1

On-time departure rate

All international 
and domestic flights

91.6%

Domestic
flights

92.3%

Departure flights delayed

2,034

Due to weather

60

Due to equipment failure

91

Due to equipment operation

1,375

Other

508

International
flights

87.9%

Departure flights delayed

544

Due to weather

4

Due to equipment failure

49

Due to equipment operation

94

Other

397

On-time arrival rate

All international 
and domestic flights

88.2%

Domestic
flights

88.6%

Arrival flights delayed

2,997

International
flights

86.0%

Arrival flights delayed

633

Flights diverted

Domestic flights

Flights diverted

12

Due to weather

5

Due to equipment failure

2

Other

5

International Flights

Flights diverted

3

Due to weather

3

Due to equipment failure

0

Other

0

Returned to airport of departure

Domestic flights

Flights returned to departure airport

14

Due to weather

12

Due to equipment failure

2

Other

0

International Flights

Flights returned to departure airport

3

Due to weather

1

Due to equipment failure

1

Other

1