SkyWest Airlines PWM to ORD on-time performance
SkyWest Airlines nonstop flights from Portland to Chicago · Aug 2025 – Jul 2026Regional airline operating flights for United Express, Delta Connection, American Eagle and Alaska.
On-time arrivals
65%
arrived < 15 min late
Cancelled
4.1%
12 flights
Avg arrival delay
33 min
89 min when late
Rank on route
#4 of 4
route average 78% on time
Key facts
- SkyWest Airlines flights on PWM to ORD arrived on time 65% of the time in Aug 2025 – Jul 2026.
- 4.1% were cancelled, and 11% arrived an hour or more late.
- That ranks #4 of 4 airlines on this route, which averaged 78% on time overall.
- The largest source of delay minutes was airline (crew, maintenance, cleaning, fueling) (54%).
On-time trend by month
Why this airline's flights were late
- Airline (crew, maintenance, cleaning, fueling)54%
- Air traffic control & airport congestion23%
- Late-arriving aircraft17%
- Extreme weather6%
- Security0%
Other airlines on PWM to ORD
- Republic Airways84% on time · 14 min avg delay
- United Airlines78% on time · 20 min avg delay
- Envoy Air82% on time · 19 min avg delay
Full PWM to ORD comparison →
SkyWest Airlines on-time record across all routes →
296 SkyWest Airlines flights tracked on this route; 12 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.