Airport route guide

Upgrade & Award Space from Harlingen (HRL)

Valley International Airport (HRL) is a small station in Harlingen, US with nonstop service to 4 destinations, served by American Airlines, Delta Air Lines, and Sun Country Airlines. Because the schedule is limited, an upgrade or award opening on a Houston flight rarely lasts. 2LNR checks every HRL nonstop for confirmed availability, so a rare opening doesn't go unnoticed.

Data current as of July 22, 2026, refreshed on an ongoing basis as new schedules and seats are confirmed.

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4
Nonstop destinations
30+
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Confirmed upgrade & award space on every HRL 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 Harlingen 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 HRL route, checked against live inventory so you know what is open before you book.

Set an alert

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

Plan on the map

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

All nonstop destinations from Harlingen (HRL)

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

Explore HRL routes on the interactive map →

Frequently asked questions about Harlingen (HRL)

How many nonstop destinations does Valley International Airport (HRL) serve?
Valley International Airport has active nonstop service to 4 destinations. The busiest markets from HRL are Houston, Dallas, and Minneapolis. The full list, with live upgrade and award availability for each route, is on this page.
Which airlines fly upgrade-trackable routes from HRL?
American Airlines, Delta Air Lines, and Sun Country Airlines operate the most tracked routes from Harlingen, in that order. 2LNR covers upgrade and award space on more than 30 airlines, so other carriers serving HRL appear on their routes as well.
How do I check upgrade or award availability from HRL?
Pick any destination on this page, such as Houston, to open a calendar of HRL 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 HRL?
Yes. Every active nonstop route from Valley International Airport is tracked, 4 destinations in total, and what's shown is confirmed availability rather than a forecast. It's free to start.

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