Republic Airways BOS to MIA on-time performance
Republic Airways nonstop flights from Boston to Miami · Aug 2025 – Jul 2026Regional airline operating flights for American Eagle, Delta Connection and United Express.
On-time arrivals
48%
arrived < 15 min late
Cancelled
0.0%
0 flights
Avg arrival delay
26 min
50 min when late
Rank on route
#5 of 5
route average 78% on time
Key facts
- Republic Airways flights on BOS to MIA arrived on time 48% of the time in Aug 2025 – Jul 2026.
- 0% were cancelled, and 10% arrived an hour or more late.
- That ranks #5 of 5 airlines on this route, which averaged 78% on time overall.
- The largest source of delay minutes was air traffic control & airport congestion (51%).
On-time trend by month
Why this airline's flights were late
- Air traffic control & airport congestion51%
- Late-arriving aircraft29%
- Airline (crew, maintenance, cleaning, fueling)18%
- Extreme weather1%
- Security0%
Other airlines on BOS to MIA
- American Airlines83% on time · 13 min avg delay
- Delta Air Lines73% on time · 22 min avg delay
- Spirit Airlines55% on time · 38 min avg delay
- JetBlue80% on time · 7 min avg delay
Full BOS to MIA 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.