SkyWest Airlines IAH to STL on-time performance
SkyWest Airlines nonstop flights from Houston to St. Louis · 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
0.0%
0 flights
Avg arrival delay
21 min
70 min when late
Rank on route
#2 of 2
route average 75% on time
Key facts
- SkyWest Airlines flights on IAH to STL arrived on time 73% of the time in Aug 2025 – Jul 2026.
- 0% were cancelled, and 11% arrived an hour or more late.
- That ranks #2 of 2 airlines on this route, which averaged 75% on time overall.
- The largest source of delay minutes was late-arriving aircraft (48%).
On-time trend by month
Why this airline's flights were late
- Late-arriving aircraft48%
- Airline (crew, maintenance, cleaning, fueling)34%
- Air traffic control & airport congestion14%
- Extreme weather4%
- Security0%
Other airlines on IAH to STL
- United Airlines76% on time · 15 min avg delay
Full IAH to STL comparison →
SkyWest Airlines on-time record across all routes →
66 SkyWest 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.