United Airlines DEN to CHS on-time performance
United Airlines nonstop flights from Denver to Charleston · Aug 2025 – Jul 2026
On-time arrivals
81%
arrived < 15 min late
Cancelled
0.5%
2 flights
Avg arrival delay
10 min
46 min when late
Rank on route
#1 of 2
route average 77% on time
Key facts
- United Airlines flights on DEN to CHS arrived on time 81% of the time in Aug 2025 – Jul 2026.
- 0.5% were cancelled, and 5% arrived an hour or more late.
- That ranks #1 of 2 airlines on this route, which averaged 77% on time overall.
- The largest source of delay minutes was airline (crew, maintenance, cleaning, fueling) (38%).
On-time trend by month
Why this airline's flights were late
- Airline (crew, maintenance, cleaning, fueling)38%
- Air traffic control & airport congestion36%
- Late-arriving aircraft26%
- Extreme weather0%
- Security0%
Other airlines on DEN to CHS
- Southwest Airlines68% on time · 14 min avg delay
Full DEN to CHS comparison →
United Airlines on-time record across all routes →
438 United Airlines flights tracked on this route; 2 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.