Operating revenue

12 Months Ended

Dec. 31, 2019

5	Operating revenue

The Group is principally engaged in the operation of civil aviation, including the provision of passenger, cargo, mail delivery, and other extended transportation services.

(i)	Disaggregation of revenue

Disaggregation of revenue from contracts with customers by major services lines is as follow:


			2019		2018		2017
	Note		RMB million		RMB million		RMB million
							(Note)
Revenue from contracts with customers within the scope of IFRS 15:
Disaggregated by service lines
-Traffic revenue
– Passenger				138,502		128,038		112,791
– Cargo and mail				9,615		10,026		9,082
-Commission income				2,952		2,619		2,781
-Hotel and tour operation income				712		676		547
-General aviation income				564		476		467
-Ground services income				409		429		429
-Expired sales in advance of carriage				—		—		396
-Air catering income				353		391		335
-Cargo handling income				359		254		241
-Others				654		536		553

				154,120		143,445		127,622
Revenue from other sources:
-Rental income		19(f)		202		178		184

				154,322		143,623		127,806

Note: The Group has initially applied IFRS 15 at January 1, 2018, using the cumulative effect method. Under this method, the comparative information is not restated (see Note 2(b)).

Disaggregation of revenue from contracts with customers by the timing of revenue recognition and by geographic markets is disclosed in Notes 6(a) and 6(b) respectively.

(ii)	Revenue expected to be recognized in the future arising from contracts with customers in existence at the reporting date.

As at December 31, 2019, the aggregated amount of the transaction price allocated to the remaining performance obligation, which is the unredeemed credits under the frequent flyer award programs, amounted to RMB3,331 million (December 31, 2018: RMB3,711 million) (Note 40). This amount represents revenue expected to be recognized in the future when the customers take possession of the goods or services redeemed.