Best Time to Fly CLT to DEN: On-Time Stats by Hour & Airline
Charlotte Douglas International → Denver International
Data through July 2026 · Last updated October 18, 2026
2,790 flights were scheduled from Charlotte (CLT) to Denver (DEN) in the last 12 months, and 77.6% of those that flew arrived on time, in line with the US average of 77.6%.
United Airlines was the most punctual of the 4 airlines on the route at 84.9%, while Southwest Airlines trailed at 69.3%.
January has been the best month (84% on time) and Thursday the weakest day of the week (70%).
1.2% of flights were cancelled, versus 1.8% nationally.
CLT 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 | 84.9% | 72 min | 1.3% | 674 |
| Frontier Airlines | 77.9% | 58 min | 1.4% | 220 |
| American Airlines | 75.4% | 59 min | 1.1% | 1,718 |
| Southwest Airlines | 69.3% | 47 min | 1.9% | 158 |
| SkyWest Airlines | Limited data | 20 | ||
80%+ good 70–79.9% fair <70% poor
Best time of day to fly CLT to DEN
On-time arrival % by scheduled departure hour (local time), 5,776 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 5am–6am | 79.0% | 0.0% | 38 |
| 6am–7am | Limited data | 26 | |
| 7am–8am | 89.2% | 1.0% | 521 |
| 8am–9am | 89.3% | 1.5% | 934 |
| 9am–10am | 88.9% | 0.0% | 45 |
| 10am–11am | 88.0% | 6.2% | 80 |
| 11am–12pm | 85.0% | 0.5% | 610 |
| 12pm–1pm | 86.7% | 1.5% | 130 |
| 1pm–2pm | 68.1% | 0.3% | 303 |
| 2pm–3pm | 73.7% | 0.0% | 99 |
| 3pm–4pm | 63.6% | 1.5% | 137 |
| 4pm–5pm | 71.2% | 0.2% | 924 |
| 5pm–6pm | 64.5% | 1.4% | 366 |
| 6pm–7pm | 57.5% | 1.1% | 543 |
| 7pm–8pm | 74.0% | 3.4% | 263 |
| 8pm–9pm | 70.2% | 0.4% | 276 |
| 9pm–10pm | 56.5% | 1.4% | 434 |
| 10pm–11pm | 66.0% | 0.0% | 47 |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on CLT 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) | 66.1% | -11.9 pts | 0.0% | 112 |
| Christmas & New Year (Dec 20 - Jan 3) | 75.3% | -2.7 pts | 0.0% | 263 |
| Summer peak (Jun 15 - Aug 15) | 62.3% | -15.6 pts | 1.2% | 986 |
| All other days | 78.0% | — | 1.1% | 4,415 |
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).