PSA Airlines ORD to GSP on-time performance
PSA Airlines nonstop flights from Chicago to Greer · Aug 2025 – Jul 2026Regional airline operating American Eagle flights.
On-time arrivals
53%
arrived < 15 min late
Cancelled
5.3%
5 flights
Avg arrival delay
53 min
110 min when late
Rank on route
#6 of 6
route average 74% on time
Key facts
- PSA Airlines flights on ORD to GSP arrived on time 53% of the time in Aug 2025 – Jul 2026.
- 5.3% were cancelled, and 24% arrived an hour or more late.
- That ranks #6 of 6 airlines on this route, which averaged 74% on time overall.
- The largest source of delay minutes was late-arriving aircraft (60%).
On-time trend by month
Why this airline's flights were late
- Late-arriving aircraft60%
- Airline (crew, maintenance, cleaning, fueling)34%
- Air traffic control & airport congestion6%
- Extreme weather0%
- Security0%
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
- American Airlines59% on time · 23 min avg delay
- United Airlines100% on time · 0 min avg delay
Full ORD to GSP comparison →
PSA Airlines on-time record across all routes →
95 PSA Airlines flights tracked on this route; 5 cancelled, 1 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.