Airport route guide

Upgrade & Award Space from Hermantown (DLH)

Duluth International Airport (DLH) is a small station in Hermantown, 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 Chicago flight rarely lasts. 2LNR checks every DLH 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 DLH 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 Hermantown 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 DLH route, checked against live inventory so you know what is open before you book.

Set an alert

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

Plan on the map

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

All nonstop destinations from Hermantown (DLH)

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

Explore DLH routes on the interactive map →

Frequently asked questions about Hermantown (DLH)

How many nonstop destinations does Duluth International Airport (DLH) serve?
Duluth International Airport has active nonstop service to 3 destinations. The busiest markets from DLH are Chicago, Minneapolis, and Fort Myers. The full list, with live upgrade and award availability for each route, is on this page.
Which airlines fly upgrade-trackable routes from DLH?
Delta Air Lines, Sun Country Airlines, and United Airlines operate the most tracked routes from Hermantown, in that order. 2LNR covers upgrade and award space on more than 30 airlines, so other carriers serving DLH appear on their routes as well.
How do I check upgrade or award availability from DLH?
Pick any destination on this page, such as Chicago, to open a calendar of DLH 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 DLH?
Yes. Every active nonstop route from Duluth 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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