Airport route guide

Upgrade & Award Space from Windsor (STS)

From Sonoma County Airport (STS) in US, Alaska Airlines, Inc., American Airlines, and Delta Air Lines fly nonstop to 13 destinations. It's enough volume to carry real upgrade and award inventory, though the best seats to Phoenix tend to go quickly. 2LNR monitors confirmed space on each Windsor route so you can act while it's still available.

Data current as of July 21, 2026, refreshed on an ongoing basis as new schedules and seats are confirmed.

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Nonstop destinations

30+

Airlines in award search

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Confirmed upgrade & award space on every STS route

2LNR tracks confirmed upgrade and award availability on American, Delta, and Alaska and across 30 airlines, segment by segment, date by date. Pick any Windsor destination below to open a calendar of departures with real availability, or watch a route and get alerted when space opens.

See real availability

Confirmed upgrade and award seats on each STS route, checked against live inventory so you know what is open before you book.

Set an alert

Premium inventory turns over fast. Watch a Windsor route and 2LNR notifies you when space appears.

Plan on the map

Explore every STS nonstop on the interactive route map, with connections and route statistics.

All nonstop destinations from Windsor (STS)

13 nonstop destinations with active service from Sonoma County Airport. Each route links to its confirmed upgrade and award availability.

Explore STS routes on the interactive map →

Frequently asked questions about Windsor (STS)

How many nonstop destinations does Sonoma County Airport (STS) serve?

Sonoma County Airport has active nonstop service to 13 destinations. The busiest markets from STS are Phoenix, San Diego, and Portland. The full list, with live upgrade and award availability for each route, is on this page.

Which airlines fly upgrade-trackable routes from STS?

Alaska Airlines, Inc., American Airlines, and Delta Air Lines operate the most tracked routes from Windsor, in that order. 2LNR covers upgrade and award space on more than 30 airlines, so other carriers serving STS appear on their routes as well.

How do I check upgrade or award availability from STS?

Pick any destination on this page, such as Phoenix, to open a calendar of STS departures with confirmed upgrade and award space, date by date. You can also set an alert so 2LNR notifies you when space opens on a route you care about.

Does 2LNR track flights from STS?

Yes. Every active nonstop route from Sonoma County Airport is tracked, 13 destinations in total, and what's shown is confirmed availability rather than a forecast. It's free to start.

Never miss STS upgrade or award space

Track confirmed availability, set alerts, and book with confidence. Free to start, no credit card required.

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