United Airlines GRR to ORD on-time performance
United Airlines nonstop flights from Grand Rapids to Chicago · Aug 2025 – Jul 2026
On-time arrivals
64%
arrived < 15 min late
Cancelled
1.3%
14 flights
Avg arrival delay
28 min
74 min when late
Rank on route
#5 of 6
route average 69% on time
Key facts
- United Airlines flights on GRR to ORD arrived on time 64% of the time in Aug 2025 – Jul 2026.
- 1.3% were cancelled, and 12% arrived an hour or more late.
- That ranks #5 of 6 airlines on this route, which averaged 69% on time overall.
- The largest source of delay minutes was air traffic control & airport congestion (46%).
On-time trend by month
Why this airline's flights were late
- Air traffic control & airport congestion46%
- Airline (crew, maintenance, cleaning, fueling)30%
- Late-arriving aircraft20%
- Extreme weather4%
- Security0%
Other airlines on GRR to ORD
- Envoy Air71% on time · 21 min avg delay
- SkyWest Airlines67% on time · 37 min avg delay
- Republic Airways72% on time · 24 min avg delay
- American Airlines74% on time · 34 min avg delay
- PSA Airlines0% on time · 690 min avg delay
Full GRR to ORD comparison →
United Airlines on-time record across all routes →
1,072 United Airlines flights tracked on this route; 14 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.