SEA to ORD upgrade odds
Seattle (Seattle-Tacoma International Airport) to Chicago (Chicago O'Hare International Airport) on American and United. 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 SEA to ORD nonstop
- American: about 4.8 nonstops a day, 6:15 AM to 11:57 PM, typically A321, shortest 6h 08m.
- United: about 4.6 nonstops a day, 7:00 AM to 11:13 PM, typically A21N, B39M, B739, shortest 6h 04m.
One-stop options
- Alaska has no nonstop here; a search checks its hubs (PDX, SFO, LAX) for one-stop options ranked by odds.
- Delta has no nonstop here; a search checks its hubs (MSP, SLC, DTW) for one-stop options ranked by odds.
Schedule facts from the next 60 days of published timetables (5 days observed). Upgrade odds are personal and live, so they are never printed here — run the search.
What the search shows you
Every American and United 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.