No forecast yet

I don't yet know the flight plan for this leg of SWA3901, so I can't give you an accurate forecast right now. Come check again within an hour or two of departure time.

Not flying to PDX?

If your upcoming flight isn't between SJC and PDX, come back and check this page within an hour or two of departure time. Airlines regularly reassign flight numbers when planning routes, and it's quite possible that SWA3901 was reassigned to your flight after the previous one.

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