Route guide

Fort Myers to Denver (RSW-DEN): Nonstop Upgrade & Award Space

United Airlines, Frontier Airlines, and Southwest Airlines fly nonstop between Fort Myers (RSW) and Denver (DEN), roughly 16 times a week. Because so many carriers compete on this route, premium seats turn over daily, and upgrade or award space can open and close within hours. 2LNR tracks confirmed availability on every RSW 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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16
Nonstop flights a week
1,606 mi
Nonstop distance
Free
To get started

Confirmed upgrade & award space on every RSW 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 Fort Myers 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 RSW 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 RSW to DEN on the interactive route map, with schedules, connections, and route statistics.

Airlines flying Fort Myers to Denver nonstop

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

  • United Airlines
  • Frontier Airlines
  • Southwest Airlines
See RSW to DEN on the interactive map →

Frequently asked questions about RSW to DEN

How far is Denver from Fort Myers?
RSW to DEN covers about 1,606 miles nonstop. Flight times vary by aircraft and season; each scheduled departure on this page lists its own times.
Which airlines fly nonstop from RSW to DEN?
United Airlines, Frontier Airlines, and Southwest Airlines fly the route nonstop. 2LNR tracks confirmed upgrade and award space on all three of them.
How many flights a week are there from RSW to DEN?
About 16 nonstop flights a week run between Fort Myers and Denver in the current schedule, operated by United Airlines, Frontier Airlines, and 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 RSW to DEN?
Open the RSW to DEN calendar on this page to see confirmed upgrade and award space by date. You can also set an alert on the Fort Myers to Denver route, and 2LNR will notify you when space opens. It's free to start.

Never miss RSW to DEN upgrade or award space

Track confirmed availability, set alerts, and book with confidence. Free to start, no credit card required.

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