Best Time to Fly IAD to CLT: On-Time Stats by Hour & Airline
Washington Dulles International → Charlotte Douglas International
Data through July 2026 · Last updated October 18, 2026
1,988 flights were scheduled from Washington (IAD) to Charlotte (CLT) in the last 12 months, and 83.5% of those that flew arrived on time, 5.8 points above the US average of 77.6%.
PSA Airlines was the most punctual of the 3 airlines on the route at 84.7%, while Republic Airways trailed at 81.3%.
September has been the best month (89% on time) and Sunday the weakest day of the week (79%).
2.6% of flights were cancelled, versus 1.8% nationally.
IAD to CLT 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 |
|---|---|---|---|---|
| PSA Airlines | 84.7% | 104 min | 3.1% | 978 |
| American Airlines | 82.8% | 87 min | 2.0% | 500 |
| Republic Airways | 81.3% | 71 min | 2.5% | 483 |
| United Airlines | Limited data | 27 | ||
80%+ good 70–79.9% fair <70% poor
Best time of day to fly IAD to CLT
On-time arrival % by scheduled departure hour (local time), 4,089 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 5am–6am | 92.9% | 1.4% | 287 |
| 6am–7am | 86.1% | 2.8% | 326 |
| 7am–8am | 93.3% | 5.1% | 79 |
| 8am–9am | 79.2% | 1.9% | 430 |
| 9am–10am | 89.3% | 1.2% | 559 |
| 10am–11am | 93.2% | 0.0% | 59 |
| 11am–12pm | 89.3% | 3.7% | 107 |
| 12pm–1pm | 86.9% | 2.3% | 219 |
| 1pm–2pm | 81.7% | 2.7% | 484 |
| 2pm–3pm | 78.6% | 1.4% | 142 |
| 3pm–4pm | 85.2% | 0.0% | 54 |
| 4pm–5pm | 72.3% | 3.6% | 165 |
| 5pm–6pm | 72.3% | 3.3% | 518 |
| 6pm–7pm | Limited data | 18 | |
| 7pm–8pm | 85.1% | 2.1% | 48 |
| 8pm–9pm | 71.8% | 5.6% | 413 |
| 10pm–11pm | 86.7% | 0.6% | 181 |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on IAD to CLT
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) | 82.3% | -1.3 pts | 0.0% | 97 |
| Christmas & New Year (Dec 20 - Jan 3) | 76.8% | -6.8 pts | 0.0% | 165 |
| Summer peak (Jun 15 - Aug 15) | 75.5% | -8.1 pts | 4.5% | 622 |
| All other days | 83.6% | — | 2.4% | 3,205 |
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).