Best Time to Fly CLT to IAD: On-Time Stats by Hour & Airline
Charlotte Douglas International → Washington Dulles International
Data through July 2026 · Last updated October 18, 2026
Over the last 12 months, 80.1% of Charlotte (CLT) to Washington (IAD) flights arrived on time (1,990 scheduled flights). That is 2.5 points above the national average of 77.6%.
Among 3 airlines, Republic Airways led with 85.6% on time and American Airlines was last with 71.1%.
Over 24 months, Wednesday was the most reliable day (85% on time) and July the worst month (63%).
The cancellation rate was 2.6% (US average 1.8%).
CLT to IAD 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 |
|---|---|---|---|---|
| Republic Airways | 85.6% | 82 min | 2.7% | 484 |
| PSA Airlines | 81.7% | 63 min | 2.9% | 978 |
| American Airlines | 71.1% | 80 min | 2.0% | 501 |
| United Airlines | Limited data | 27 | ||
80%+ good 70–79.9% fair <70% poor
Best time of day to fly CLT to IAD
On-time arrival % by scheduled departure hour (local time), 4,090 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 6am–7am | 96.9% | 0.0% | 130 |
| 7am–8am | 87.7% | 1.5% | 546 |
| 8am–9am | 92.1% | 0.0% | 76 |
| 9am–10am | 90.2% | 4.4% | 182 |
| 10am–11am | 88.1% | 1.2% | 407 |
| 11am–12pm | 85.0% | 1.7% | 482 |
| 12pm–1pm | 78.6% | 1.4% | 147 |
| 1pm–2pm | 85.3% | 0.0% | 68 |
| 2pm–3pm | 78.1% | 3.2% | 373 |
| 3pm–4pm | 71.4% | 3.1% | 293 |
| 4pm–5pm | Limited data | 20 | |
| 5pm–6pm | 69.1% | 1.8% | 56 |
| 6pm–7pm | 71.2% | 4.1% | 467 |
| 7pm–8pm | 81.4% | 2.7% | 260 |
| 8pm–9pm | 47.8% | 4.2% | 48 |
| 9pm–10pm | 79.5% | 2.7% | 75 |
| 10pm–11pm | 67.7% | 3.9% | 460 |
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 IAD
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) | 85.7% | +3.1 pts | 0.0% | 98 |
| Christmas & New Year (Dec 20 - Jan 3) | 73.8% | -8.9 pts | 0.6% | 165 |
| Summer peak (Jun 15 - Aug 15) | 66.8% | -15.8 pts | 4.5% | 623 |
| All other days | 82.7% | — | 2.3% | 3,204 |
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).