OnTimeRoutes
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Frontier Airlines DEN to TUS on-time performance

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

On-time arrivals
81%
arrived < 15 min late
Cancelled
1.2%
1 flights
Avg arrival delay
11 min
49 min when late
Rank on route
#2 of 4
route average 77% on time

Key facts

  • Frontier Airlines flights on DEN to TUS arrived on time 81% of the time in Aug 2025 – Jul 2026.
  • 1.2% were cancelled, and 4% arrived an hour or more late.
  • That ranks #2 of 4 airlines on this route, which averaged 77% on time overall.
  • The largest source of delay minutes was late-arriving aircraft (35%).

On-time trend by month

40%70%100%July 2025: 88.9% on time, 0.0% cancelledJul ’25August 2025: 100.0% on time, 0.0% cancelledAug ’25September 2025: 75.0% on time, 0.0% cancelledSep ’25October 2025: 90.0% on time, 0.0% cancelledOct ’25November 2025: 87.5% on time, 11.1% cancelledNov ’25December 2025: 72.7% on time, 0.0% cancelledDec ’25January 2026: 57.1% 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: 75.0% 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 aircraft35%
  • Air traffic control & airport congestion32%
  • Airline (crew, maintenance, cleaning, fueling)29%
  • Extreme weather4%
  • Security0%

Other airlines on DEN to TUS

Full DEN to TUS 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.