Safety OPERATION DATA

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

calender
Jul.2017

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