Safety OPERATION DATA

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

calender
Sep.2017

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