United Airlines EWR to MIA on-time performance
United Airlines nonstop flights from Newark to Miami · Aug 2025 – Jul 2026
On-time arrivals
77%
arrived < 15 min late
Cancelled
2.4%
53 flights
Avg arrival delay
17 min
70 min when late
Rank on route
#3 of 4
route average 78% on time
Key facts
- United Airlines flights on EWR to MIA arrived on time 77% of the time in Aug 2025 – Jul 2026.
- 2.4% were cancelled, and 8% arrived an hour or more late.
- That ranks #3 of 4 airlines on this route, which averaged 78% on time overall.
- The largest source of delay minutes was late-arriving aircraft (36%).
On-time trend by month
Why this airline's flights were late
- Late-arriving aircraft36%
- Air traffic control & airport congestion32%
- Airline (crew, maintenance, cleaning, fueling)25%
- Extreme weather6%
- Security0%
Other airlines on EWR to MIA
- American Airlines81% on time · 17 min avg delay
- Spirit Airlines60% on time · 31 min avg delay
- Envoy Air100% on time · 0 min avg delay
Full EWR to MIA comparison →
United Airlines on-time record across all routes →
2,246 United Airlines flights tracked on this route; 53 cancelled, 4 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.