Republic Airways MIA to BOS on-time performance
Republic Airways nonstop flights from Miami to Boston · Aug 2025 – Jul 2026Regional airline operating flights for American Eagle, Delta Connection and United Express.
On-time arrivals
81%
arrived < 15 min late
Cancelled
0.0%
0 flights
Avg arrival delay
20 min
96 min when late
Rank on route
#2 of 6
route average 70% on time
Key facts
- Republic Airways flights on MIA to BOS arrived on time 81% of the time in Aug 2025 – Jul 2026.
- 0% were cancelled, and 10% arrived an hour or more late.
- That ranks #2 of 6 airlines on this route, which averaged 70% on time overall.
- The largest source of delay minutes was late-arriving aircraft (44%).
On-time trend by month
Why this airline's flights were late
- Late-arriving aircraft44%
- Air traffic control & airport congestion28%
- Airline (crew, maintenance, cleaning, fueling)28%
- Extreme weather0%
- Security0%
Other airlines on MIA to BOS
- American Airlines71% on time · 22 min avg delay
- Delta Air Lines71% on time · 24 min avg delay
- Spirit Airlines55% on time · 32 min avg delay
- JetBlue74% on time · 12 min avg delay
- Envoy Air100% on time · 7 min avg delay
Full MIA to BOS comparison →
Republic Airways on-time record across all routes →
21 Republic Airways 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.