Republic Airways IAD to BOS on-time performance
Republic Airways nonstop flights from Washington to Boston · Aug 2025 – Jul 2026Regional airline operating flights for American Eagle, Delta Connection and United Express.
On-time arrivals
73%
arrived < 15 min late
Cancelled
14.0%
8 flights
Avg arrival delay
17 min
62 min when late
Rank on route
#2 of 2
route average 77% on time
Key facts
- Republic Airways flights on IAD to BOS arrived on time 73% of the time in Aug 2025 – Jul 2026.
- 14% were cancelled, and 10% arrived an hour or more late.
- That ranks #2 of 2 airlines on this route, which averaged 77% on time overall.
- The largest source of delay minutes was air traffic control & airport congestion (42%).
On-time trend by month
Why this airline's flights were late
- Air traffic control & airport congestion42%
- Airline (crew, maintenance, cleaning, fueling)36%
- Late-arriving aircraft22%
- Extreme weather0%
- Security0%
Other airlines on IAD to BOS
- United Airlines78% on time · 16 min avg delay
Full IAD to BOS comparison →
Republic Airways on-time record across all routes →
57 Republic Airways flights tracked on this route; 8 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.