Powered by VariFlight incomparable aviation database, the monthly report of Airport On-time Departure Performance provides an overview of how global airports are performing in June, 2018.

- New Chitose (CTS) has topped the global hubs for consecutive three months with the on-time departure performance decreased by 1.68 percent YoY.

- Ten Chinese Airports ascend in the APAC TOP20 list while airports in Japan retains the leading position. Xi'an Xianyang (XIY) becomes the most punctual airport again in mainland China after May.

- Airports with a capacity of over 10 million passengers in mainland China show dramatic YoY growth, among which Shanghai Hongqiao (SHA) witnesses the most obvious increase of 40.94 percent, followed by Nanjing Lukou (NKG) and Xiamen Gaoqi (XMN).

- Yantai Penglai (YNT), Beijing Capital (PEK) and Guangzhou Baiyun (CAN) suffer the most from severe weather in June.

Global Hubs

CTS Tops the OTP Chart with a YoY Decrease of 1.68 Percent

New Chitose (CTS) ranks first among global hubs in June with an on-time departure rate of 94.51 percent and an average departure delay of 6.96 minutes, showing a 1.68 percent YoY decrease, followed successively by Sheremetyevo (SVO) and Honolulu (HNL).

Source: VariFlight

Figure 1: World's TOP10 best airports for on-time departures (Large airports, June, 2018)

Global Medium-Sized Airports

SDJ Becomes the Most Punctual Medium-Sized Airport

All the TOP10 global medium-sized airports in in June show an on-time performance of over 90 percent. Sendai (SDJ) ranks first with a departure punctuality of 95.73 percent and an average delay of 10.75 minutes, showing a YoY increase of 0.8 percent.

Source: VariFlight

Figure 2: World's TOP10 best airports for on-time departures (Medium-sized airports, June, 2018)

APAC---Major Airports

Japanese Airports Keep ahead and Ten Chinese Airports Ascend in the TOP20 List

Japanese airports keep ahead in OTP, among which New Chitose (CTS) is delivered the first of all major airports in Asia-Pacific region (94.51 percent). In mainland China, ten airports join the list, among which Xi'an Xianyang (XIY) ranks seventh (82.51 percent) and retains its position of the most punctual major airport in mainland China.

Source: VariFlight

Figure 3: TOP20 best airports in Asia-Pacific for on-time departures (Major airports, June, 2018)

APAC---Medium-Sized Airports

LJG Tops the Medium-Sized Airports in Mainland China

Sendai (SDJ) ranks first of the TOP20 list with an on-time departure rate of 95.73 percent; in mainland China, Lijiang Sanyi (LJG) is recognized as eleventh with an on-time performance of 84.41 percent rising from 13th place to 11th place, and has been the most punctual medium-sized airport in mainland China for four consecutive months.

Source: VariFlight

Figure 4: TOP20 best airports in Asia-Pacific for on-time departures (Medium-sized airports, June, 2018)

Mainland China---Airports with a Capacity over 10 Million Passengers

XIY Tops the List and SHA Shows the Most Obvious YoY Growth

Xi'an Xianyang (XIY) ranks first among the airports with a capacity of over 10 million passengers in mainland China with its on-time departure performance of 82.51 percent in June, followed by Urumqi Diwopu (URC) and Chongqing Jiangbei (CKG). Airports with a capacity of over 10 million passengers in mainland China show dramatic YoY growth, among which Shanghai Hongqiao (SHA) shows the most obvious YoY increase of 40.94 percent followed by Nanjing Lukou (NKG) (35.20 percent YoY) and Xiamen Gaoqi (XMN) (31.41 percent YoY).

Source: VariFlight

Figure 5: China's airports on-time departure performance (airports with a capacity of over 10 million passengers, June, 2018)

Mainland China---Airports with a Capacity of 2 Million to 10 Million Passengers

JHG Tops the List and ZUH Enjoys the Fastest Growth

Regarding airports with a capacity of 2 million to 10 million passengers, Xishuangbanna (JHG) ranks first with an on-time performance of 87.48 percent followed by Hulun Buir Dongshan (HLD). Compared with the same period last year, all airports show an increase, among which Zhuhai Jinwan (ZUH) enjoys the most rapid YoY growth of 39.04 percent, followed by Ningbo Lishe (NGB) (29.06 percent YoY) and Sunan Shuofang (WUX) (29.02 percent YoY).

Source: VariFlight

Figure 6: China's airports on-time departure performance (airports with a capacity of 2 million to 10 million passengers, June, 2018)

Worst-Affected Airports under Severe Weather

CGO Suffers the Most from Severe Weather

In June, Yantai Penglai (YNT), Beijing Capital (PEK) and Guangzhou Baiyun (CAN) suffer the most from severe weather, with respectively 17 hours, 14 hours and 12 hours.

Source: VariFlight

Figure 7: China's worst-affected airports for normal flight release rate (June, 2018)

Notes for editors

Period: June 1- June 30, 2018

Flights: Commercial air passenger flights only. Cargo aircrafts, corporate jets and general aviation are excluded.

Actual departure flights: Departure flights that have actual take-off time and actual departure time in VariFlight database. Canceled flights are excluded.

Actual arrival flights: Arrival flights that have actual take-off time and actual departure time in VariFlight database. Canceled flights are excluded.

Large airports: Airports with above 6000 actual departure flights monthly.

Medium-sized airports: Airports with 2000 to 6000 actual departure flights monthly.

On-time departure flights: ATD-STD<30mins

On-time arrival flights: ATA-STA<30mins

On-time departure rate: On-time Departure Flights/Actual Departure Flights * 100%

On-time arrival rate: On-time Arrival Flights/Actual Arrival Flights * 100%

Average departure delay time: Total Departure Delay Time/ Actual Departure Flights

(Departure delay time of a single flight: ATD-STD. If a flight departs ahead of the scheduled time of departure, then the result is zero.)

Average arrival delay time: Total Arrival Delay Time/ Actual Arrival Flights

(Arrival delay time of a single flight: ATA-STA. If a flight arrives ahead of the scheduled time of arrival, then the result is zero.)

Airports in Mainland China: Airports in mainland China can be divided into three classes with a capacity of over 10 million passengers, 2 million to 10 million passengers and less than 2 million passengers respectively, in accordance with the passenger throughput published by Civil Aviation Administration of China (CAAC), 2017.

Contributed by VariFlight