Delta Air Lines DEN to SLC on-time performance
Delta Air Lines nonstop flights from Denver to Salt Lake City · Aug 2025 – Jul 2026
On-time arrivals
83%
arrived < 15 min late
Cancelled
0.4%
6 flights
Avg arrival delay
14 min
82 min when late
Rank on route
#1 of 5
route average 79% on time
Key facts
- Delta Air Lines flights on DEN to SLC arrived on time 83% of the time in Aug 2025 – Jul 2026.
- 0.4% were cancelled, and 6% arrived an hour or more late.
- That ranks #1 of 5 airlines on this route, which averaged 79% on time overall.
- The largest source of delay minutes was late-arriving aircraft (46%).
On-time trend by month
Why this airline's flights were late
- Late-arriving aircraft46%
- Airline (crew, maintenance, cleaning, fueling)44%
- Air traffic control & airport congestion8%
- Extreme weather2%
- Security0%
Other airlines on DEN to SLC
- Southwest Airlines73% on time · 15 min avg delay
- SkyWest Airlines80% on time · 14 min avg delay
- United Airlines79% on time · 13 min avg delay
- Frontier Airlines82% on time · 11 min avg delay
Full DEN to SLC comparison →
Delta Air Lines on-time record across all routes →
1,696 Delta Air Lines flights tracked on this route; 6 cancelled, 4 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.