Frontier Airlines SLC to DEN on-time performance
Frontier Airlines nonstop flights from Salt Lake City to Denver · Aug 2025 – Jul 2026
On-time arrivals
79%
arrived < 15 min late
Cancelled
0.8%
8 flights
Avg arrival delay
17 min
76 min when late
Rank on route
#4 of 5
route average 79% on time
Key facts
- Frontier Airlines flights on SLC to DEN arrived on time 79% of the time in Aug 2025 – Jul 2026.
- 0.8% were cancelled, and 7% arrived an hour or more late.
- That ranks #4 of 5 airlines on this route, which averaged 79% on time overall.
- The largest source of delay minutes was late-arriving aircraft (41%).
On-time trend by month
Why this airline's flights were late
- Late-arriving aircraft41%
- Airline (crew, maintenance, cleaning, fueling)31%
- Air traffic control & airport congestion25%
- Extreme weather2%
- Security0%
Other airlines on SLC to DEN
- Southwest Airlines73% on time · 14 min avg delay
- Delta Air Lines81% on time · 14 min avg delay
- SkyWest Airlines85% on time · 11 min avg delay
- United Airlines81% on time · 13 min avg delay
Full SLC to DEN comparison →
Frontier Airlines on-time record across all routes →
1,023 Frontier Airlines flights tracked on this route; 8 cancelled, 1 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.