Delta Air Lines BOS to DCA on-time performance
Delta Air Lines nonstop flights from Boston to Washington · Aug 2025 – Jul 2026
On-time arrivals
50%
arrived < 15 min late
Cancelled
14.3%
1 flights
Avg arrival delay
23 min
45 min when late
Rank on route
#5 of 5
route average 74% on time
Key facts
- Delta Air Lines flights on BOS to DCA arrived on time 50% of the time in Aug 2025 – Jul 2026.
- 14.3% were cancelled, and 17% arrived an hour or more late.
- That ranks #5 of 5 airlines on this route, which averaged 74% on time overall.
- The largest source of delay minutes was airline (crew, maintenance, cleaning, fueling) (68%).
On-time trend by month
Why this airline's flights were late
- Airline (crew, maintenance, cleaning, fueling)68%
- Late-arriving aircraft16%
- Air traffic control & airport congestion15%
- Extreme weather0%
- Security0%
Other airlines on BOS to DCA
- Republic Airways76% on time · 16 min avg delay
- JetBlue68% on time · 24 min avg delay
- American Airlines76% on time · 23 min avg delay
- Envoy Air79% on time · 15 min avg delay
Full BOS to DCA comparison →
Delta Air Lines on-time record across all routes →
7 Delta Air Lines flights tracked on this route; 1 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.