Best Time to Fly CHS to DEN: On-Time Stats by Hour & Airline
Charleston AFB/International → Denver International
Data through July 2026 · Last updated October 18, 2026
643 flights were scheduled from Charleston (CHS) to Denver (DEN) in the last 12 months, and 69.3% of those that flew arrived on time, 8.3 points below the US average of 77.6%.
Among 2 airlines, United Airlines led with 73.9% on time and Southwest Airlines was last with 59.5%.
Over 24 months, Monday was the most reliable day (75% on time) and June the worst month (51%).
The cancellation rate was 0.6% (US average 1.8%).
CHS to DEN 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 | 73.9% | 69 min | 0.7% | 439 |
| Southwest Airlines | 59.5% | 54 min | 0.5% | 204 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly CHS to DEN
On-time arrival % by scheduled departure hour (local time), 1,346 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 5am–6am | Limited data | 6 | |
| 6am–7am | 86.8% | 0.0% | 38 |
| 7am–8am | 86.8% | 0.0% | 53 |
| 8am–9am | 91.2% | 0.9% | 115 |
| 9am–10am | Limited data | 28 | |
| 10am–11am | Limited data | 7 | |
| 11am–12pm | Limited data | 5 | |
| 12pm–1pm | Limited data | 1 | |
| 1pm–2pm | 83.1% | 0.0% | 65 |
| 2pm–3pm | 64.8% | 0.8% | 126 |
| 3pm–4pm | 57.4% | 0.0% | 57 |
| 4pm–5pm | 68.1% | 0.9% | 795 |
| 5pm–6pm | 48.6% | 0.0% | 35 |
| 6pm–7pm | Limited data | 1 | |
| 7pm–8pm | Limited data | 14 | |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on CHS to DEN
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) | 75.0% | +0.2 pts | 0.0% | 52 |
| Summer peak (Jun 15 - Aug 15) | 58.4% | -16.4 pts | 0.4% | 243 |
| All other days | 74.8% | — | 1.0% | 1,026 |
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).