SkyWest Airlines STL to ORD on-time performance
SkyWest Airlines nonstop flights from St. Louis to Chicago · Aug 2025 – Jul 2026Regional airline operating flights for United Express, Delta Connection, American Eagle and Alaska.
On-time arrivals
64%
arrived < 15 min late
Cancelled
5.1%
41 flights
Avg arrival delay
39 min
105 min when late
Rank on route
#5 of 5
route average 73% on time
Key facts
- SkyWest Airlines flights on STL to ORD arrived on time 64% of the time in Aug 2025 – Jul 2026.
- 5.1% were cancelled, and 18% arrived an hour or more late.
- That ranks #5 of 5 airlines on this route, which averaged 73% on time overall.
- The largest source of delay minutes was airline (crew, maintenance, cleaning, fueling) (33%).
On-time trend by month
Why this airline's flights were late
- Airline (crew, maintenance, cleaning, fueling)33%
- Air traffic control & airport congestion26%
- Late-arriving aircraft24%
- Extreme weather16%
- Security0%
Other airlines on STL to ORD
- Envoy Air75% on time · 24 min avg delay
- United Airlines72% on time · 24 min avg delay
- American Airlines81% on time · 26 min avg delay
- Republic Airways75% on time · 20 min avg delay
Full STL to ORD comparison →
SkyWest Airlines on-time record across all routes →
811 SkyWest Airlines flights tracked on this route; 41 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.