SkyWest Airlines ORD to STL on-time performance
SkyWest Airlines nonstop flights from Chicago to St. Louis · Aug 2025 – Jul 2026Regional airline operating flights for United Express, Delta Connection, American Eagle and Alaska.
On-time arrivals
70%
arrived < 15 min late
Cancelled
4.3%
35 flights
Avg arrival delay
23 min
72 min when late
Rank on route
#4 of 5
route average 72% on time
Key facts
- SkyWest Airlines flights on ORD to STL arrived on time 70% of the time in Aug 2025 – Jul 2026.
- 4.3% were cancelled, and 13% arrived an hour or more late.
- That ranks #4 of 5 airlines on this route, which averaged 72% on time overall.
- The largest source of delay minutes was airline (crew, maintenance, cleaning, fueling) (48%).
On-time trend by month
Why this airline's flights were late
- Airline (crew, maintenance, cleaning, fueling)48%
- Late-arriving aircraft22%
- Extreme weather18%
- Air traffic control & airport congestion11%
- Security0%
Other airlines on ORD to STL
- Envoy Air75% on time · 14 min avg delay
- United Airlines73% on time · 21 min avg delay
- American Airlines66% on time · 32 min avg delay
- Republic Airways76% on time · 20 min avg delay
Full ORD to STL comparison →
SkyWest Airlines on-time record across all routes →
809 SkyWest Airlines flights tracked on this route; 35 cancelled, 3 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.