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Route Reliability

Denver → Miami

DEN–MIA · 1,709 miles · Denver International Airport to Miami International Airport

77
Usually Fine
WanderNerd Reliability Score
74%
Arrive within 15 minutes
11 min
Average arrival delay
0.7%
Cancelled
2,509
Flights in the data

Data through May 2026.

Who flies it best

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

  1. 1.American Airlines77%885 flights
  2. 2.United Airlines75%954 flights
  3. 3.Frontier Airlines72%345 flights
  4. 4.Southwest Airlines63%325 flights

What the data says

Morning-you made the right choice.

DEN–MIA flights departing between 6–9 AM arrived on time 81% of the time, versus 56% between 6–9 PM.

Friday is doing you no favors.

DEN–MIA flights arrived on time 78% of the time on Tuesdays. On Fridays: 69%.

American Airlines runs this route best.

American Airlines arrived on time 77% of the time on this route; Southwest Airlines managed 63%.

Best historical flights

Ranked by on-time arrivals, minimum 100 flights. Past performance, not a promise.

Top flights by on-time rate

More flights on this route

The breakdown

On-time by weekday
  • Mon76%(361 flights)
  • Tue78%(304 flights)
  • Wed75%(323 flights)
  • Thu77%(366 flights)
  • Fri69%(374 flights)
  • Sat74%(372 flights)
  • Sun71%(382 flights)
On-time by departure window
  • 12–3 AM77%(145 flights)
  • 3–6 AM—(5 flights)
  • 6–9 AM81%(167 flights)
  • 9 AM–12 PM73%(543 flights)
  • 12–3 PM76%(588 flights)
  • 3–6 PM69%(398 flights)
  • 6–9 PM56%(39 flights)
  • 9 PM–12 AM76%(597 flights)
On-time trend by month
78%
May

Jun 61% → May 78% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202561%195
July 202562%203
August 202559%179
September 202574%157
October 202580%172
November 202584%203
December 202570%241
January 202677%245
February 202688%240
March 202668%274
April 202687%193
May 202678%180

Same trip, other airports

Keep nerding

Based on 2,509 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.