Frontier Airlines BWI to MIA on-time performance
Frontier Airlines nonstop flights from Baltimore to Miami · Aug 2025 – Jul 2026
On-time arrivals
69%
arrived < 15 min late
Cancelled
4.2%
11 flights
Avg arrival delay
30 min
95 min when late
Rank on route
#4 of 5
route average 75% on time
Key facts
- Frontier Airlines flights on BWI to MIA arrived on time 69% of the time in Aug 2025 – Jul 2026.
- 4.2% were cancelled, and 14% arrived an hour or more late.
- That ranks #4 of 5 airlines on this route, which averaged 75% on time overall.
- The largest source of delay minutes was late-arriving aircraft (59%).
On-time trend by month
Why this airline's flights were late
- Late-arriving aircraft59%
- Air traffic control & airport congestion32%
- Airline (crew, maintenance, cleaning, fueling)9%
- Extreme weather1%
- Security0%
Other airlines on BWI to MIA
- Southwest Airlines73% on time · 16 min avg delay
- American Airlines81% on time · 22 min avg delay
- Envoy Air82% on time · 12 min avg delay
- Spirit Airlines56% on time · 30 min avg delay
Full BWI to MIA comparison →
Frontier Airlines on-time record across all routes →
265 Frontier Airlines flights tracked on this route; 11 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.