Airport Reliability
DCA · Washington
Ronald Reagan Washington National Airport
- 74%
- Departures within 15 minutes
- 18 min
- Average departure delay
- 72%
- Arrivals within 15 minutes
- 3.8%
- Departures cancelled
Based on 147,411 departures and 147,444 arrivals. Data through May 2026.
What the data says
Morning flights do better here.
Departures from DCA departing between 3–6 AM arrived on time 92% of the time, versus 63% between 3–6 PM.
Friday is doing you no favors.
Departures from DCA arrived on time 80% of the time on Saturdays. On Fridays: 70%.
Ticking up lately.
Departures from DCA arrived on time 75% of the time over the last three months in the data, compared with 72% in the three months before that.
When DCA gets messy
- 3–6 AM92%(994 flights)
- 6–9 AM87%(31992 flights)
- 9 AM–12 PM81%(25010 flights)
- 12–3 PM72%(25532 flights)
- 3–6 PM63%(27841 flights)
- 6–9 PM63%(21853 flights)
- 9 PM–12 AM63%(8193 flights)
- Mon74%(20880 flights)
- Tue77%(21185 flights)
- Wed74%(20973 flights)
- Thu71%(20941 flights)
- Fri70%(21093 flights)
- Sat80%(15933 flights)
- Sun70%(20410 flights)
76%
May
Jun 67% → May 76% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 67% | 11466 |
| July 2025 | 67% | 11372 |
| August 2025 | 77% | 12266 |
| September 2025 | 79% | 12147 |
| October 2025 | 77% | 12607 |
| November 2025 | 73% | 11557 |
| December 2025 | 68% | 11373 |
| January 2026 | 76% | 11140 |
| February 2026 | 72% | 10920 |
| March 2026 | 71% | 12040 |
| April 2026 | 77% | 12150 |
| May 2026 | 76% | 12377 |
Airlines departing DCA
Busiest routes from DCA
Based on 147,411 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.