Washington (IAD) to Charlotte (CLT): On-Time Performance
Data through July 2026
The calendar drives reliability on IAD–CLT. September 2025 flights landed on schedule 95% of the time, but December 2025 dropped to 69% — a gap of 26 points. Across the full period the route averages 82% on-time against a national 78%. Morning departures also hold up better than evening ones (87% vs 74%), which matters most in the rough months.
- On-time
- 82%
- arrived <15 min late
- Avg delay
- 17 min
- completed flights
- Cancelled
- 2.6%
- Flights/day
- 5.4
- last 12 months
- Duration
- 1h 37m
- scheduled
- Distance
- 322 mi
Best airline from IAD to CLT
4 airlines flew this route regularly between 2024-07 and 2026-07.
| Airline | On-time | Avg delay | Cancelled | Flights |
|---|---|---|---|---|
| American Airlinesmost reliable | 83% | 16 min | 2.0% | 503 |
| Republic Airways | 83% | 13 min | 2.6% | 697 |
| PSA Airlines | 82% | 19 min | 2.9% | 2,749 |
| United Airlines | 77% | 13 min | 0.9% | 322 |
Monthly on-time trend
Best time to fly from IAD to CLT
Aim for departures around 7 a.m. (93% on-time); avoid 8 p.m. departures (70%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 80% | 18 min |
| Tuesday | 84% | 14 min |
| Wednesdaybest | 86% | 14 min |
| Thursday | 81% | 15 min |
| Friday | 81% | 17 min |
| Saturday | 82% | 20 min |
| Sunday | 78% | 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 aircraft48%
- Airline operations29%
- National airspace system16%
- Weather6%
Frequently asked questions
- How often are flights from IAD to CLT delayed?
- 18% of IAD–CLT 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 17 minutes.
- Which airline is most reliable from IAD to CLT?
- American Airlines has the best on-time record on this route at 83%, based on 503 flights. 4 airlines flew IAD–CLT frequently enough to compare in this period.
- What is the best time of day to fly from IAD to CLT?
- Departures around 7 a.m. have the best record (93% on-time), while departures around 8 p.m. have the worst (70%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from IAD to CLT?
- The scheduled IAD–CLT flight time averages 1h 37m over 322 miles. Actual arrival times vary — flights on this route land 15+ minutes late 18% of the time.
- How often are IAD to CLT flights cancelled?
- 2.6% of scheduled flights on this route were cancelled between 2024-07 and 2026-07, slightly above the national rate of 1.6%.
- What is the worst month to fly from IAD to CLT?
- December 2025 was the roughest month in this dataset, with only 69% of arrivals on time. The best was September 2025 at 95%. If your dates are flexible, that 26-point gap is worth planning around.
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Based on 4,271 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.