SkyWest Airlines ORD to PWM on-time performance
SkyWest Airlines nonstop flights from Chicago to Portland · 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
3.0%
9 flights
Avg arrival delay
22 min
68 min when late
Rank on route
#4 of 4
route average 75% on time
Key facts
- SkyWest Airlines flights on ORD to PWM arrived on time 70% of the time in Aug 2025 – Jul 2026.
- 3% were cancelled, and 11% arrived an hour or more late.
- That ranks #4 of 4 airlines on this route, which averaged 75% on time overall.
- The largest source of delay minutes was airline (crew, maintenance, cleaning, fueling) (43%).
On-time trend by month
Why this airline's flights were late
- Airline (crew, maintenance, cleaning, fueling)43%
- Late-arriving aircraft23%
- Air traffic control & airport congestion20%
- Extreme weather13%
- Security0%
Other airlines on ORD to PWM
- Republic Airways76% on time · 18 min avg delay
- United Airlines72% on time · 19 min avg delay
- Envoy Air82% on time · 14 min avg delay
Full ORD to PWM comparison →
SkyWest Airlines on-time record across all routes →
296 SkyWest Airlines flights tracked on this route; 9 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.