Republic Airways ORD to BOS on-time performance
Republic Airways nonstop flights from Chicago to Boston · Aug 2025 – Jul 2026Regional airline operating flights for American Eagle, Delta Connection and United Express.
On-time arrivals
70%
arrived < 15 min late
Cancelled
5.7%
52 flights
Avg arrival delay
24 min
77 min when late
Rank on route
#3 of 6
route average 68% on time
Key facts
- Republic Airways flights on ORD to BOS arrived on time 70% of the time in Aug 2025 – Jul 2026.
- 5.7% were cancelled, and 12% arrived an hour or more late.
- That ranks #3 of 6 airlines on this route, which averaged 68% on time overall.
- The largest source of delay minutes was late-arriving aircraft (42%).
On-time trend by month
Why this airline's flights were late
- Late-arriving aircraft42%
- Air traffic control & airport congestion26%
- Airline (crew, maintenance, cleaning, fueling)21%
- Extreme weather11%
- Security0%
Other airlines on ORD to BOS
- United Airlines69% on time · 25 min avg delay
- American Airlines60% on time · 31 min avg delay
- Delta Air Lines69% on time · 28 min avg delay
- JetBlue72% on time · 28 min avg delay
- Envoy Air83% on time · 13 min avg delay
Full ORD to BOS comparison →
Republic Airways on-time record across all routes →
908 Republic Airways flights tracked on this route; 52 cancelled, 1 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.