Safety OPERATION DATA

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

calender
Oct.2017

2018

2017

2016

2015

2014

Number of flights

All international 
and domestic flights

30,187

Domestic 
Flights

25,597

International 
Flights

4,590

Actual operation rate

All international 
and domestic flights

97.4%

Domestic
flights

96.9%

Flights canceled

808

Due to weather

704

Due to equipment failure

15

Due to equipment operation

77

Other

12

International
flights

99.9%

Flights canceled

1

Due to weather

0

Due to equipment failure

0

Due to equipment operation

1

Other

0

On-time departure rate

All international 
and domestic flights

88.2%

Domestic
flights

88.3%

Departure flights delayed

3,004

Due to weather

31

Due to equipment failure

93

Due to equipment operation

2,095

Other

785

International
flights

88.0%

Departure flights delayed

551

Due to weather

22

Due to equipment failure

39

Due to equipment operation

133

Other

357

On-time arrival rate

All international 
and domestic flights

84.1%

Domestic
flights

84.1%

Arrival flights delayed

4,076

International
flights

84.6%

Arrival flights delayed

709

Flights diverted

Domestic flights

Flights diverted

11

Due to weather

8

Due to equipment failure

0

Other

3

International Flights

Flights diverted

5

Due to weather

4

Due to equipment failure

1

Other

0

Returned to airport of departure

Domestic flights

Flights returned to departure airport

31

Due to weather

23

Due to equipment failure

2

Other

6

International Flights

Flights returned to departure airport

0

Due to weather

0

Due to equipment failure

0

Other

0