Route Reliability
Washington → Raleigh–Durham
DCA–RDU · 227 miles · Ronald Reagan Washington National Airport to Raleigh–Durham International Airport
- 70%
- Arrive within 15 minutes
- 17 min
- Average arrival delay
- 4.9%
- Cancelled
- 2,970
- Flights in the data
Data through May 2026.
Who flies it best
Ranked by on-time arrivals. Historical results, not predictions.
- 1.Delta Air Lines70%998 flights
- 2.American Airlines69%1,972 flights
What the data says
Morning flights do better here.
DCA–RDU flights departing between 6–9 AM arrived on time 87% of the time, versus 58% between 9 PM–12 AM.
Thursdays have been rough.
DCA–RDU flights arrived on time 79% of the time on Saturdays and just 64% on Thursdays. That gap is worth planning around.
Not much between Delta Air Lines and American Airlines.
On this route they all land within 69% to 70% on time. Pick on schedule and price.
Keep a backup plan handy.
This route was cancelled 4.9% of the time. Typical for U.S. flights is around 1–2%.
Best historical flights
Ranked by on-time arrivals, minimum 100 flights. Past performance, not a promise.
Top flights by on-time rate
More flights on this route
The breakdown
- Mon69%(431 flights)
- Tue74%(437 flights)
- Wed70%(428 flights)
- Thu64%(425 flights)
- Fri67%(418 flights)
- Sat79%(281 flights)
- Sun68%(404 flights)
- 6–9 AM87%(660 flights)
- 9 AM–12 PM83%(331 flights)
- 12–3 PM66%(363 flights)
- 3–6 PM61%(638 flights)
- 6–9 PM60%(349 flights)
- 9 PM–12 AM58%(483 flights)
Jun 61% → May 71% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 61% | 208 |
| July 2025 | 66% | 192 |
| August 2025 | 74% | 245 |
| September 2025 | 75% | 255 |
| October 2025 | 70% | 263 |
| November 2025 | 71% | 232 |
| December 2025 | 65% | 221 |
| January 2026 | 70% | 226 |
| February 2026 | 68% | 231 |
| March 2026 | 66% | 254 |
| April 2026 | 77% | 249 |
| May 2026 | 71% | 248 |
Same trip, other airports
Keep nerding
Based on 2,970 historical flights, because apparently we checked. Historical flight data: U.S. Bureau of Transportation Statistics, June 2025 – May 2026. Data through May 2026. How we calculate this.