Route guide

Dallas to Denver (DAL-DEN): Nonstop Upgrade & Award Space

Southwest Airlines flies nonstop between Dallas (DAL) and Denver (DEN), roughly 29 times a week. With Southwest Airlines 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 DAL to DEN 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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29
Nonstop flights a week
651 mi
Nonstop distance
Free
To get started

Confirmed upgrade & award space on every DAL to DEN 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 Dallas to Denver 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 DAL to DEN 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 DAL to DEN on the interactive route map, with schedules, connections, and route statistics.

Airlines flying Dallas to Denver nonstop

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

  • Southwest Airlines
See DAL to DEN on the interactive map →

Frequently asked questions about DAL to DEN

How far is Denver from Dallas?
DAL to DEN covers about 651 miles nonstop. Flight times vary by aircraft and season; each scheduled departure on this page lists its own times.
Which airlines fly nonstop from DAL to DEN?
Southwest Airlines is currently the only airline flying DAL to DEN nonstop. 2LNR tracks confirmed upgrade and award space on every Southwest Airlines departure.
How many flights a week are there from DAL to DEN?
About 29 nonstop flights a week run between Dallas and Denver in the current schedule, operated by Southwest Airlines. Frequency shifts by season; the calendar on this page reflects what's currently scheduled.
How do I check upgrade or award availability on DAL to DEN?
Open the DAL to DEN calendar on this page to see confirmed upgrade and award space by date. You can also set an alert on the Dallas to Denver route, and 2LNR will notify you when space opens. It's free to start.

Never miss DAL to DEN upgrade or award space

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