OnTimeRoutes
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Frontier Airlines DEN to ATL on-time performance

Frontier Airlines nonstop flights from Denver to Atlanta · Aug 2025 – Jul 2026

On-time arrivals
78%
arrived < 15 min late
Cancelled
0.8%
6 flights
Avg arrival delay
15 min
60 min when late
Rank on route
#3 of 4
route average 79% on time

Key facts

  • Frontier Airlines flights on DEN to ATL arrived on time 78% of the time in Aug 2025 – Jul 2026.
  • 0.8% were cancelled, and 6% arrived an hour or more late.
  • That ranks #3 of 4 airlines on this route, which averaged 79% on time overall.
  • The largest source of delay minutes was airline (crew, maintenance, cleaning, fueling) (49%).

On-time trend by month

50%75%100%July 2025: 75.0% on time, 1.6% cancelledJul ’25August 2025: 86.7% on time, 1.6% cancelledAug ’25September 2025: 82.7% on time, 0.0% cancelledSep ’25October 2025: 90.2% on time, 0.0% cancelledOct ’25November 2025: 93.4% on time, 0.0% cancelledNov ’25December 2025: 87.0% on time, 0.0% cancelledDec ’25January 2026: 70.8% on time, 0.0% cancelledJan ’26February 2026: 79.6% on time, 0.0% cancelledFeb ’26March 2026: 69.0% on time, 4.8% cancelledMar ’26April 2026: 78.3% on time, 0.0% cancelledApr ’26May 2026: 70.4% on time, 0.0% cancelledMay ’26June 2026: 70.1% on time, 1.1% cancelledJun ’26July 2026: 64.8% on time, 1.1% cancelledJul ’26
On-time arrival rate by month. Hover a bar for exact figures.

Why this airline's flights were late

  • Airline (crew, maintenance, cleaning, fueling)49%
  • Late-arriving aircraft30%
  • Air traffic control & airport congestion20%
  • Extreme weather1%
  • Security0%

Other airlines on DEN to ATL

Full DEN to ATL comparison →
Frontier Airlines on-time record across all routes →

775 Frontier Airlines flights tracked on this route; 6 cancelled, 2 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.