Historical on-time performance
Denver to Charleston
Flights on DEN–CHS arrive on time 76% of the time over the last 12 months.
based on 471 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
Not enough comparable data to name a most-on-time carrier — low-data carriers aren't ranked.
- United AirlinesOn-time79%Medianon timep9025 minCancel0.5%Flights410
- Southwest AirlinesOn-time56%Median10 minp9075 minCancel0.0%Flights61
Why flights run late
Delay causes
- Airline39%
- Weather0%
- Air traffic (NAS)31%
- Late aircraft30%
- Security0%
Most delay minutes here are attributed to Airline.
When flights don't go
Why flights were cancelled
- Airline0%
- Weather100%
- Air traffic (NAS)0%
- Security0%
Most cancellations here are attributed to Weather. Shares are among 2 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 DEN → CHS
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 — 83% on time.
- Mornings83% on time · p90 25 min · 887 flights
- Middays73% on time · p90 40 min · 382 flights
- Afternoons69% on time · p90 45 min · 506 flights
- Evenings64% on time · p90 80 min · 280 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 73% to 77% on time.
- Wednesdays77% on time · p90 30 min · 278 flights
- Tuesdays76% on time · p90 35 min · 280 flights
- Sundays76% on time · p90 35 min · 317 flights
- Thursdays75% on time · p90 45 min · 300 flights
- Mondays75% on time · p90 50 min · 303 flights
- Saturdays73% on time · p90 35 min · 283 flights
- Fridays73% on time · p90 45 min · 306 flights
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