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Route Reliability

Fort Myers → Denver

RSW–DEN · 1,607 miles · Southwest Florida International Airport to Denver International Airport

86
Pretty Reliable
WanderNerd Reliability Score
81%
Arrive within 15 minutes
2 min
Average arrival delay
0.4%
Cancelled
1,116
Flights in the data

Data through May 2026.

Who flies it best

Ranked by on-time arrivals. Historical results, not predictions.

  1. 1.United Airlines85%743 flights
  2. 2.Southwest Airlines75%315 flights

Not enough history to rank: Frontier Airlines (58 flights). We rank airlines only after 100 flights on the route.

What the data says

Morning flights do better here.

RSW–DEN flights departing between 6–9 AM arrived on time 97% of the time, versus 72% between 3–6 PM.

Saturday is the weak spot.

RSW–DEN flights arrived on time 87% of the time on Wednesdays. On Saturdays: 76%.

United Airlines runs this route best.

United Airlines arrived on time 85% of the time on this route; Southwest Airlines managed 75%.

Ticking up lately.

RSW–DEN flights arrived on time 87% of the time over the last three months in the data, compared with 81% in the three months before that.

Flights on this route

The breakdown

On-time by weekday
  • Mon85%(156 flights)
  • Tue79%(146 flights)
  • Wed87%(142 flights)
  • Thu86%(159 flights)
  • Fri80%(158 flights)
  • Sat76%(173 flights)
  • Sun78%(174 flights)
On-time by departure window
  • 3–6 AM—(7 flights)
  • 6–9 AM97%(313 flights)
  • 9 AM–12 PM85%(140 flights)
  • 12–3 PM76%(138 flights)
  • 3–6 PM72%(475 flights)
  • 6–9 PM83%(35 flights)
On-time trend by month
93%
May

Jun 70% → May 93% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202570%63
July 202563%62
August 202568%34
September 202591%35
October 202585%91
November 202586%97
December 202579%126
January 202686%131
February 202677%119
March 202679%153
April 202689%104
May 202693%93

Keep nerding

Based on 1,116 historical flights, because apparently we checked. Historical flight data: U.S. Bureau of Transportation Statistics, June 2025 – May 2026. Data through May 2026. How we calculate this.