Delta Air Lines DCA to BOS on-time performance
Delta Air Lines nonstop flights from Washington to Boston · Aug 2025 – Jul 2026
On-time arrivals
86%
arrived < 15 min late
Cancelled
0.0%
0 flights
Avg arrival delay
11 min
53 min when late
Rank on route
#1 of 5
route average 71% on time
Key facts
- Delta Air Lines flights on DCA to BOS arrived on time 86% of the time in Aug 2025 – Jul 2026.
- 0% were cancelled, and 0% arrived an hour or more late.
- That ranks #1 of 5 airlines on this route, which averaged 71% on time overall.
- The largest source of delay minutes was airline (crew, maintenance, cleaning, fueling) (100%).
On-time trend by month
Why this airline's flights were late
- Airline (crew, maintenance, cleaning, fueling)100%
- Late-arriving aircraft0%
- Air traffic control & airport congestion0%
- Extreme weather0%
- Security0%
Other airlines on DCA to BOS
- Republic Airways78% on time · 16 min avg delay
- JetBlue65% on time · 32 min avg delay
- American Airlines66% on time · 29 min avg delay
- Envoy Air75% on time · 18 min avg delay
Full DCA to BOS comparison →
Delta Air Lines on-time record across all routes →
7 Delta Air Lines flights tracked on this route; 0 cancelled, 0 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.