United Airlines ORD to GSP on-time performance
United Airlines nonstop flights from Chicago to Greer · Aug 2025 – Jul 2026
On-time arrivals
100%
arrived < 15 min late
Cancelled
0.0%
0 flights
Avg arrival delay
0 min
– when late
Rank on route
#1 of 6
route average 74% on time
Key facts
- United Airlines flights on ORD to GSP arrived on time 100% of the time in Aug 2025 – Jul 2026.
- 0% were cancelled, and 0% arrived an hour or more late.
- That ranks #1 of 6 airlines on this route, which averaged 74% on time overall.
On-time trend by month
Monthly trend appears once two or more months of data are available.
Why this airline's flights were late
No delay causes recorded in this period.
Other airlines on ORD to GSP
- Envoy Air78% on time · 16 min avg delay
- SkyWest Airlines70% on time · 22 min avg delay
- Republic Airways82% on time · 14 min avg delay
- PSA Airlines53% on time · 53 min avg delay
- American Airlines59% on time · 23 min avg delay
Full ORD to GSP comparison →
United Airlines on-time record across all routes →
1 United Airlines flights tracked on this route; 0 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.