OnTimeRoutes
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Frontier Airlines TUS to DEN on-time performance

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

On-time arrivals
81%
arrived < 15 min late
Cancelled
1.2%
1 flights
Avg arrival delay
10 min
51 min when late
Rank on route
#3 of 4
route average 83% on time

Key facts

  • Frontier Airlines flights on TUS to DEN arrived on time 81% of the time in Aug 2025 – Jul 2026.
  • 1.2% were cancelled, and 5% arrived an hour or more late.
  • That ranks #3 of 4 airlines on this route, which averaged 83% on time overall.
  • The largest source of delay minutes was late-arriving aircraft (65%).

On-time trend by month

40%70%100%July 2025: 77.8% on time, 0.0% cancelledJul ’25August 2025: 66.7% on time, 0.0% cancelledAug ’25September 2025: 91.7% on time, 0.0% cancelledSep ’25October 2025: 90.0% on time, 0.0% cancelledOct ’25November 2025: 100.0% on time, 11.1% cancelledNov ’25December 2025: 72.7% on time, 0.0% cancelledDec ’25January 2026: 71.4% on time, 0.0% cancelledJan ’26February 2026: 80.0% on time, 0.0% cancelledFeb ’26March 2026: 85.7% on time, 0.0% cancelledMar ’26April 2026: 50.0% on time, 0.0% cancelledApr ’26
On-time arrival rate by month. Hover a bar for exact figures.

Why this airline's flights were late

  • Late-arriving aircraft65%
  • Airline (crew, maintenance, cleaning, fueling)18%
  • Air traffic control & airport congestion12%
  • Extreme weather6%
  • Security0%

Other airlines on TUS to DEN

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

86 Frontier Airlines flights tracked on this route; 1 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.