SFO to SEA upgrade odds
San Francisco (San Francisco International Airport) to Seattle (Seattle-Tacoma International Airport) on Alaska and Delta. Run a free search and every flight on this route is ranked by your real odds of clearing the upgrade list for your status — a calibrated probability with honest error bars, never a bare number.
First search free, no account · then 3 more and a tracked trip with alerts · no card required
Who flies SFO to SEA nonstop
- Alaska: about 7.8 nonstops a day, 6:00 AM to 8:53 PM, typically B739, B39M, B738, shortest 2h 08m.
- Delta: about 4.1 nonstops a day, 6:00 AM to 8:59 PM, typically BCS3, Embraer regional jet, B738, shortest 2h 15m.
Schedule facts from the next 60 days of published timetables (25 days observed). Upgrade odds are personal and live, so they are never printed here — run the search.
What the search shows you
Every Alaska and Delta departure on your date, side by side: schedule, aircraft, open premium seats against cabin size, fare, and the upgrade score — a probability with its range and a plain-English reason. The same route an hour earlier or later can differ by 30 points. Book the one that clears.
A 70% shot still misses 3 in 10. Every prediction is graded against the real gate outcome and the misses are published on the track record.