Route guide

Santa Ana to Windsor (SNA-STS): Nonstop Upgrade & Award Space

Alaska Airlines, Inc. flies nonstop between Santa Ana (SNA) and Windsor (STS), roughly 14 times a week. With Alaska Airlines, Inc. operating this route so often, premium seats still turn over daily, and upgrade or award space can open and close within hours. 2LNR tracks confirmed availability on every SNA to STS departure, so you know which flights have space before you book.

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

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14
Nonstop flights a week
432 mi
Nonstop distance
Free
To get started

Confirmed upgrade & award space on every SNA to STS departure

2LNR tracks confirmed upgrade and award availability on American, Delta, and Alaska and across 30 airlines, segment by segment, date by date. Open the calendar for Santa Ana to Windsor to see which departures have real space, or watch the route and get alerted when space opens.

See real availability

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

Set an alert

Premium inventory turns over fast. Watch this route and 2LNR notifies you when space appears on a date you are tracking.

Plan on the map

See SNA to STS on the interactive route map, with schedules, connections, and route statistics.

Airlines flying Santa Ana to Windsor nonstop

Carriers operating SNA to STS nonstop in the current schedule. 2LNR tracks confirmed upgrade and award space on each of them.

  • Alaska Airlines, Inc.
See SNA to STS on the interactive map →

Frequently asked questions about SNA to STS

How far is Windsor from Santa Ana?
SNA to STS covers about 432 miles nonstop. Flight times vary by aircraft and season; each scheduled departure on this page lists its own times.
Which airlines fly nonstop from SNA to STS?
Alaska Airlines, Inc. is currently the only airline flying SNA to STS nonstop. 2LNR tracks confirmed upgrade and award space on every Alaska Airlines, Inc. departure.
How many flights a week are there from SNA to STS?
About 14 nonstop flights a week run between Santa Ana and Windsor in the current schedule, operated by Alaska Airlines, Inc.. Frequency shifts by season; the calendar on this page reflects what's currently scheduled.
How do I check upgrade or award availability on SNA to STS?
Open the SNA to STS calendar on this page to see confirmed upgrade and award space by date. You can also set an alert on the Santa Ana to Windsor route, and 2LNR will notify you when space opens. It's free to start.

Never miss SNA to STS upgrade or award space

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