Airport route guide

Upgrade & Award Space from Williston (XWA)

Williston Basin International Airport (XWA) is a small station in Williston, US with nonstop service to 3 destinations, served by Delta Air Lines, Sun Country Airlines, and United Airlines. Because the schedule is limited, an upgrade or award opening on a Denver flight rarely lasts. 2LNR checks every XWA nonstop for confirmed availability, so a rare opening doesn't go unnoticed.

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

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3
Nonstop destinations
30+
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Confirmed upgrade & award space on every XWA 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 Williston 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 XWA route, checked against live inventory so you know what is open before you book.

Set an alert

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

Plan on the map

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

All nonstop destinations from Williston (XWA)

3 nonstop destinations with active service from Williston Basin International Airport. Each route links to its confirmed upgrade and award availability.

Explore XWA routes on the interactive map →

Frequently asked questions about Williston (XWA)

How many nonstop destinations does Williston Basin International Airport (XWA) serve?
Williston Basin International Airport has active nonstop service to 3 destinations. The busiest markets from XWA are Denver, Minneapolis, and Las Vegas. The full list, with live upgrade and award availability for each route, is on this page.
Which airlines fly upgrade-trackable routes from XWA?
Delta Air Lines, Sun Country Airlines, and United Airlines operate the most tracked routes from Williston, in that order. 2LNR covers upgrade and award space on more than 30 airlines, so other carriers serving XWA appear on their routes as well.
How do I check upgrade or award availability from XWA?
Pick any destination on this page, such as Denver, to open a calendar of XWA 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 XWA?
Yes. Every active nonstop route from Williston Basin International Airport is tracked, 3 destinations in total, and what's shown is confirmed availability rather than a forecast. It's free to start.

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