United Airlines EWR to STL on-time performance
United Airlines nonstop flights from Newark to St. Louis · Aug 2025 – Jul 2026
On-time arrivals
67%
arrived < 15 min late
Cancelled
4.4%
7 flights
Avg arrival delay
23 min
68 min when late
Rank on route
#2 of 2
route average 84% on time
Key facts
- United Airlines flights on EWR to STL arrived on time 67% of the time in Aug 2025 – Jul 2026.
- 4.4% were cancelled, and 14% arrived an hour or more late.
- That ranks #2 of 2 airlines on this route, which averaged 84% on time overall.
- The largest source of delay minutes was late-arriving aircraft (41%).
On-time trend by month
Why this airline's flights were late
- Late-arriving aircraft41%
- Airline (crew, maintenance, cleaning, fueling)33%
- Air traffic control & airport congestion22%
- Extreme weather5%
- Security0%
Other airlines on EWR to STL
- Republic Airways86% on time · 10 min avg delay
Full EWR to STL comparison →
United Airlines on-time record across all routes →
159 United Airlines flights tracked on this route; 7 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.