Delta Air Lines ATL to DCA on-time performance
Delta Air Lines nonstop flights from Atlanta to Washington · Aug 2025 – Jul 2026
On-time arrivals
68%
arrived < 15 min late
Cancelled
2.4%
92 flights
Avg arrival delay
20 min
59 min when late
Rank on route
#6 of 6
route average 70% on time
Key facts
- Delta Air Lines flights on ATL to DCA arrived on time 68% of the time in Aug 2025 – Jul 2026.
- 2.4% were cancelled, and 10% arrived an hour or more late.
- That ranks #6 of 6 airlines on this route, which averaged 70% on time overall.
- The largest source of delay minutes was air traffic control & airport congestion (44%).
On-time trend by month
Why this airline's flights were late
- Air traffic control & airport congestion44%
- Airline (crew, maintenance, cleaning, fueling)36%
- Late-arriving aircraft14%
- Extreme weather5%
- Security0%
Other airlines on ATL to DCA
- Southwest Airlines72% on time · 20 min avg delay
- PSA Airlines74% on time · 35 min avg delay
- Republic Airways71% on time · 17 min avg delay
- Envoy Air69% on time · 21 min avg delay
- American Airlines87% on time · 11 min avg delay
Full ATL to DCA comparison →
Delta Air Lines on-time record across all routes →
3,842 Delta Air Lines flights tracked on this route; 92 cancelled, 14 diverted.
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. How we calculate this.