United Airlines EWR to BUF on-time performance
United Airlines nonstop flights from Newark to Buffalo · Aug 2025 – Jul 2026
On-time arrivals
65%
arrived < 15 min late
Cancelled
1.1%
1 flights
Avg arrival delay
28 min
79 min when late
Rank on route
#2 of 2
route average 81% on time
Key facts
- United Airlines flights on EWR to BUF arrived on time 65% of the time in Aug 2025 – Jul 2026.
- 1.1% were cancelled, and 15% arrived an hour or more late.
- That ranks #2 of 2 airlines on this route, which averaged 81% on time overall.
- The largest source of delay minutes was late-arriving aircraft (71%).
On-time trend by month
Why this airline's flights were late
- Late-arriving aircraft71%
- Airline (crew, maintenance, cleaning, fueling)22%
- Air traffic control & airport congestion7%
- Extreme weather0%
- Security0%
Other airlines on EWR to BUF
- Republic Airways85% on time · 11 min avg delay
Full EWR to BUF comparison →
United Airlines on-time record across all routes →
87 United Airlines flights tracked on this route; 1 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.