OnTimeRoutes
D

Frontier Airlines DFW to MIA on-time performance

Frontier Airlines nonstop flights from Dallas/Fort Worth to Miami · Aug 2025 – Jul 2026

On-time arrivals
68%
arrived < 15 min late
Cancelled
1.9%
5 flights
Avg arrival delay
36 min
108 min when late
Rank on route
#2 of 3
route average 68% on time

Key facts

  • Frontier Airlines flights on DFW to MIA arrived on time 68% of the time in Aug 2025 – Jul 2026.
  • 1.9% were cancelled, and 14% arrived an hour or more late.
  • That ranks #2 of 3 airlines on this route, which averaged 68% on time overall.
  • The largest source of delay minutes was late-arriving aircraft (72%).

On-time trend by month

40%70%100%July 2025: 53.8% on time, 0.0% cancelledJul ’25August 2025: 78.6% on time, 6.7% cancelledAug ’25September 2025: 56.3% on time, 0.0% cancelledSep ’25October 2025: 50.0% on time, 0.0% cancelledOct ’25November 2025: 55.6% on time, 0.0% cancelledNov ’25December 2025: 61.9% on time, 4.5% cancelledDec ’25January 2026: 86.7% on time, 0.0% cancelledJan ’26February 2026: 69.2% on time, 0.0% cancelledFeb ’26March 2026: 54.3% on time, 5.4% cancelledMar ’26April 2026: 81.3% on time, 0.0% cancelledApr ’26May 2026: 84.4% on time, 0.0% cancelledMay ’26June 2026: 75.9% on time, 3.3% cancelledJun ’26July 2026: 67.7% on time, 0.0% cancelledJul ’26
On-time arrival rate by month. Hover a bar for exact figures.

Why this airline's flights were late

  • Late-arriving aircraft72%
  • Air traffic control & airport congestion16%
  • Airline (crew, maintenance, cleaning, fueling)11%
  • Extreme weather1%
  • Security0%

Other airlines on DFW to MIA

270 Frontier Airlines flights tracked on this route; 5 cancelled, 0 diverted.

Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. How we calculate this.