Air China will raise the frequencies of services from Beijing to New York and Vancouver.
The airline's services to New York and Vancouver will increase from seven to 11 times weekly, starting 31 March and 17 May respectively.
The carrier will also resume its second daily Beijing-Los Angeles service from 31 March, using Boeing 777-300ER aircraft.
Innovata schedules show that Air China is the sole operator on the Beijing-New York and Beijing-Los Angeles routes. It competes with Air Canada on Beijing-Vancouver route.