Alaska Airlines (AS)

How to Accumulate Flight Mileage

How to Request Post-Flight Credit

What is Flight Mileage?

Flight mileage is automatically credited to your JMB account when you travel on eligible flights. In order to accrue miles, your JMB membership number must be provided in 9 digits*1 when making the reservation or at check-in. Additionally, all tickets must be issued in the JMB member's name. Flight mileage is based on the sector mileage specified for the sector(s) traveled and on the accumulation rate for the fare of the purchased ticket.

Flight Mileage = Sector Mileage × Accumulation Rate

Customers with less than 9 digits JMB membership numbers, please add 0 (ZERO) at the top.
Example: 1234567 → 001234567

Some situations are not eligible for mileage accrual.

Learn more

JMB sector mileage is calculated based on IATA TPM (International Air Transport Association Ticketed Point Mileage).
Revision of mileage will be made in July and January of next year based on the IATA TPM released in spring and autumn previous year.

Sector Mileage Calculator

Accumulation Rates

Fares	Applicable booking classes	Accumulation rate
First Class	F, A	150%
Business Class	J	125%
Business Class	C, D, I	100%
Premium Economy Class	W, P, R	100%
Economy Class	Y, B	100%
Economy Class	H, K, M	70%
Economy Class	L, V, S, N, Q, O	50%
Economy Class	G, X	30%

Inclusive Tour Fares are eligible for mileage accrual if booked in any of the applicable booking classes above. Regardless of the fare paid, tickets will be ineligible for mileage accrual if booked in any class that is not noted above.
All flights marketed by Alaska and operated by Alaska(AS), Horizon Air(QX), and SkyWest Airlines(OO), are eligible.
Codeshare flights* are eligible for mileage accrual only when operated by oneworld alliance airlines with AS flight numbers.

Flights operated as part of a codeshare agreement where two or more airlines share and offer the same flight.

Business class accrual rate will be applied to the First class on AS US domestic flights operated with 2 classes of service (Main and First class) or 3 classes of service (Main, Premium and First class) as the accrual rate is applied based on the booking class of the tickets.
For some fares, the accumulation rate may differ from the rates shown above.

Ineligibility for Mileage Accrual

Mileage will not accrue in the following situations:

When traveling under a different name
When traveling on award tickets, non-revenue tickets, or special discounted fares such as travel agent fares, tour conductor fares, or infant fare
When using cargo flights or charter flights.(except JAL International Flights)
When traveling on tickets or booking classes that are ineligible for mileage accrual based on agreements with partner airlines
When the flight is not boarded for any reason, including due to flight delay or cancellation
When the flight has been registered to a frequent flyer program other than JMB

How to Accumulate Flight Mileage

When making a reservation

Flight mileage will automatically be credited to your account when you provide your JMB membership before your flight.

How to Accumulate Flight Mileage

Post-Flight Credit

Please request post-flight credit if you did not provide your JMB membership number before your flight. All requests must be made within six months from the flight date.
JMB members in overseas regions can request post-flight credit by postal mail only.

How to Request Post-Flight Credit