Safety OPERATION DATA

Sep. 2017 
(01~30.Sep)(Sep. 1-30 2017)

calender
Sep.2017

2018

2017

2016

2015

2014

Number of flights

All international 
and domestic flights

29,391

Domestic 
Flights

24,992

International 
Flights

4,399

Actual operation rate

All international 
and domestic flights

97.9%

Domestic
flights

97.5%

Flights canceled

632

Due to weather

558

Due to equipment failure

14

Due to equipment operation

55

Other

5

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

90.8%

Domestic
flights

90.7%

Departure flights delayed

2,322

Due to weather

37

Due to equipment failure

88

Due to equipment operation

1,600

Other

597

International
flights

91.5%

Departure flights delayed

376

Due to weather

15

Due to equipment failure

23

Due to equipment operation

69

Other

269

On-time arrival rate

All international 
and domestic flights

87.1%

Domestic
flights

86.7%

Arrival flights delayed

3,313

International
flights

89.2%

Arrival flights delayed

475

Flights diverted

Domestic flights

Flights diverted

14

Due to weather

7

Due to equipment failure

1

Other

6

International Flights

Flights diverted

0

Due to weather

0

Due to equipment failure

0

Other

0

Returned to airport of departure

Domestic flights

Flights returned to departure airport

11

Due to weather

9

Due to equipment failure

2

Other

0

International Flights

Flights returned to departure airport

2

Due to weather

0

Due to equipment failure

2

Other

0