What does "G" mean right after a flight number in a boarding pass?

Question

Example of a boarding pass from Alaska Airlines from SFO (San Francisco International Airport) to GEG (Spokane International Airport).

What does the G mean right after a flight number in a boarding pass? I added the vertical red arrow to point to the G.

I don't have any proof of this, but my semi-educated hunch is that if you check the details of your fare, you'll find that your booking was priced based on fare class G. — Zach Lipton, Feb 11 at 10:02
Was the flight operated by Alaska or was it code shared with other airline? — Nean Der Thal, Feb 11 at 10:11
@NeanDerThal the boarding pass says “Operated by Horizon Air”. — jcaron, Feb 11 at 11:02
When a flight incurs significant operational issues which ends up with it being delayed enough that there are two flights with the same number operating on the same day, or if an extra “rescue” flight is added, it is common for one of the flights to get a slightly different number, often suffixed with an A, though. It mostly happens for long haul flights. Do you remember any such issues on that flight? — jcaron, Feb 11 at 11:07
It’s a weird place to put it on a boarding pass, but it’s indeed likely it’s the fare class (it usually appears somewhere in the boarding pass). — jcaron, Feb 11 at 11:15

Franck Dernoncourt · Accepted Answer · 2023-02-25 08:22:56Z

6

G was indeed the fare class, as Zach Lipton and jcaron hypothesized in the comments.

I found another boarding pass from Alaska Airlines with V as the fare class: the V was also appended to the flight number on the boarding pass:

answered Feb 25 at 5:46

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