SkyWest Airlines GSP to ORD on-time performance
SkyWest Airlines nonstop flights from Greer to Chicago · Aug 2025 – Jul 2026Regional airline operating flights for United Express, Delta Connection, American Eagle and Alaska.
On-time arrivals
73%
arrived < 15 min late
Cancelled
4.2%
25 flights
Avg arrival delay
23 min
79 min when late
Rank on route
#6 of 6
route average 77% on time
Key facts
- SkyWest Airlines flights on GSP to ORD arrived on time 73% of the time in Aug 2025 – Jul 2026.
- 4.2% were cancelled, and 10% arrived an hour or more late.
- That ranks #6 of 6 airlines on this route, which averaged 77% on time overall.
- The largest source of delay minutes was airline (crew, maintenance, cleaning, fueling) (36%).
On-time trend by month
Why this airline's flights were late
- Airline (crew, maintenance, cleaning, fueling)36%
- Air traffic control & airport congestion29%
- Late-arriving aircraft24%
- Extreme weather11%
- Security0%
Other airlines on GSP to ORD
- Envoy Air75% on time · 16 min avg delay
- Republic Airways86% on time · 10 min avg delay
- PSA Airlines87% on time · 8 min avg delay
- American Airlines78% on time · 14 min avg delay
- United Airlines100% on time · 0 min avg delay
Full GSP to ORD comparison →
SkyWest Airlines on-time record across all routes →
593 SkyWest Airlines flights tracked on this route; 25 cancelled, 2 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.