Best Time to Fly DEN to CHS: On-Time Stats by Hour & Airline
Denver International → Charleston AFB/International
Data through July 2026 · Last updated October 18, 2026
642 flights were scheduled from Denver (DEN) to Charleston (CHS) in the last 12 months, and 77.0% of those that flew arrived on time, 0.6 points below the US average of 77.6%.
Among 2 airlines, United Airlines led with 81.2% on time and Southwest Airlines was last with 68.1%.
Over 24 months, Tuesday was the most reliable day (81% on time) and July the worst month (62%).
The cancellation rate was 0.3% (US average 1.8%).
DEN to CHS on-time performance by airline
Last 12 months. Airlines with fewer than 30 completed flights are marked “limited data”.
| Airline | On time | Avg delay when late | Cancelled | Flights |
|---|---|---|---|---|
| United Airlines | 81.2% | 46 min | 0.5% | 438 |
| Southwest Airlines | 68.1% | 39 min | 0.0% | 204 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly DEN to CHS
On-time arrival % by scheduled departure hour (local time), 1,345 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 9am–10am | 83.1% | 0.7% | 619 |
| 10am–11am | 70.5% | 0.0% | 211 |
| 11am–12pm | Limited data | 12 | |
| 12pm–1pm | Limited data | 19 | |
| 1pm–2pm | Limited data | 1 | |
| 2pm–3pm | 62.0% | 0.0% | 92 |
| 3pm–4pm | 67.8% | 0.0% | 153 |
| 4pm–5pm | 79.3% | 2.4% | 84 |
| 5pm–6pm | 77.1% | 2.8% | 108 |
| 6pm–7pm | Limited data | 15 | |
| 7pm–8pm | Limited data | 19 | |
| 8pm–9pm | Limited data | 12 | |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on DEN to CHS
On-time arrivals during holiday periods compared with all other days, last 24 months.
| Period | On time | vs other days | Cancelled | Flights |
|---|---|---|---|---|
| Thanksgiving week (Tue before to Mon after) | Limited data | 25 | ||
| Christmas & New Year (Dec 20 - Jan 3) | 78.8% | -0.0 pts | 0.0% | 52 |
| Summer peak (Jun 15 - Aug 15) | 65.1% | -13.8 pts | 0.8% | 243 |
| All other days | 78.9% | — | 0.7% | 1,025 |
Monthly on-time trend
On-time arrival % each month, with the 12-month US average for reference.
What causes delays on this route
Share of reported delay minutes, last 12 months (BTS cause categories).