Historical on-time performance
Charlotte to Denver
1,338 miData through May 2026Source: US DOT · BTS
Flights on CLT–DEN arrive on time 76% of the time over the last 12 months.
On-time rate76%arrived within 15 min
p90 delay55 min1 in 10 flights is worse (tail risk)
Cancelled1.2%of scheduled flights
based on 2,485 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- United AirlinesbestOn-time83%Medianon timep9040 minCancel1.0%Flights675
- American AirlinesOn-time73%Medianon timep9060 minCancel1.2%Flights1,719
- Southwest AirlinesOn-time64%Medianon timep9080 minCancel2.2%Flights91
Why flights run late
Delay causes
- Airline27%
- Weather5%
- Air traffic (NAS)27%
- Late aircraft40%
- Security0%
Most delay minutes here are attributed to Late aircraft.
When flights don't go
Why flights were cancelled
- Airline10%
- Weather90%
- Air traffic (NAS)0%
- Security0%
Most cancellations here are attributed to Weather. Shares are among 29 cancellations with a reported cause (BTS reports causes from June 2003).
Over time
On-time trend
By season
On-time rate by month
When to fly
Best time to fly CLT → DEN
All airlines · rolling 36 months (2023-06 .. 2026-05).
Best time of day
Mornings are the most reliable time of day to fly this route — 85% on time.
- Mornings85% on time · p90 20 min · 2,495 flights
- Middays79% on time · p90 35 min · 1,653 flights
- Afternoons71% on time · p90 55 min · 1,617 flights
- Evenings60% on time · p90 80 min · 1,759 flights
- Overnights59% on time · p90 75 min · 1,358 flights
Best day of week
Wednesdays are the most reliable day to fly this route — 77% on time.
- Wednesdays77% on time · p90 45 min · 1,177 flights
- Tuesdays73% on time · p90 55 min · 1,167 flights
- Saturdays73% on time · p90 55 min · 1,167 flights
- Fridays72% on time · p90 55 min · 1,340 flights
- Mondays72% on time · p90 55 min · 1,322 flights
- Sundays70% on time · p90 60 min · 1,376 flights
- Thursdays70% on time · p90 55 min · 1,333 flights
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