Calgary - WestJet has confirmed it has delayed the delivery of its first B737- MAX 7 for two years.

The Canadian airline operator announced that it had reached an agreement with Boeing during the presentation of its second quarter financial results. According to the agreement, the arrival of the airline's first MAX 7 is expected in 2021.

WestJet also said that it had converted the four MAX 7s into MAX 8s, which would have arrived next year while the four MAX 8s were converted into MAX 7s, which were scheduled for delivery in 2026 and 2027.

With the new arrangement, WestJet will now receive one MAX 7 in 2021 followed by two in 2022/23. The remaining 19 aircraft will be delivered between 2024-27.

By the end of this year, Canada's second-largest airline will receive four MAX 8 followed by six in 2019, two in 2021, and two in 2022-23.

The first B737-10s of the company are still to arrive in 2022-23.