Charlotte (CLT) to Denver (DEN): On-Time Performance
Data through July 2026
When you fly CLT to DEN matters as much as anything else about the booking: the route swung from 88% on-time in January 2026 to just 52% in July 2024. Across the full period the route averages 74% on-time against a national 78%. Morning departures also hold up better than evening ones (87% vs 61%), which matters most in the rough months.
- On-time
- 74%
- arrived <15 min late
- Avg delay
- 18 min
- completed flights
- Cancelled
- 1.1%
- Flights/day
- 7.6
- last 12 months
- Duration
- 3h 44m
- scheduled
- Distance
- 1,337 mi
Best airline from CLT to DEN
4 airlines flew this route regularly between 2024-07 and 2026-07.
| Airline | On-time | Avg delay | Cancelled | Flights |
|---|---|---|---|---|
| United Airlinesmost reliable | 82% | 14 min | 0.9% | 1,458 |
| American Airlines | 72% | 19 min | 1.2% | 3,575 |
| Frontier Airlines | 68% | 22 min | 1.7% | 526 |
| Southwest Airlines | 67% | 22 min | 0.7% | 449 |
Monthly on-time trend
Best time to fly from CLT to DEN
Aim for departures around 9 a.m. (91% on-time); avoid 9 p.m. departures (55%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 74% | 20 min |
| Tuesday | 75% | 18 min |
| Wednesdaybest | 78% | 15 min |
| Thursday | 69% | 19 min |
| Friday | 75% | 18 min |
| Saturday | 74% | 17 min |
| Sunday | 72% | 19 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft40%
- Airline operations29%
- National airspace system25%
- Weather5%
- Security1%
Frequently asked questions
- How often are flights from CLT to DEN delayed?
- 26% of CLT–DEN flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-07 and 2026-07. The average arrival delay across completed flights was 18 minutes.
- Which airline is most reliable from CLT to DEN?
- United Airlines has the best on-time record on this route at 82%, based on 1,458 flights. 4 airlines flew CLT–DEN frequently enough to compare in this period.
- What is the best time of day to fly from CLT to DEN?
- Departures around 9 a.m. have the best record (91% on-time), while departures around 9 p.m. have the worst (55%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from CLT to DEN?
- The scheduled CLT–DEN flight time averages 3h 44m over 1,337 miles. Actual arrival times vary — flights on this route land 15+ minutes late 26% of the time.
- How often are CLT to DEN flights cancelled?
- 1.1% of scheduled flights on this route were cancelled between 2024-07 and 2026-07, at or below the national rate of 1.6%.
- What is the worst month to fly from CLT to DEN?
- July 2024 was the roughest month in this dataset, with only 52% of arrivals on time. The best was January 2026 at 88%. If your dates are flexible, that 36-point gap is worth planning around.
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Based on 6,028 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.