Republic Airways ORD to PWM on-time performance
Republic Airways nonstop flights from Chicago to Portland · Aug 2025 – Jul 2026Regional airline operating flights for American Eagle, Delta Connection and United Express.
On-time arrivals
76%
arrived < 15 min late
Cancelled
3.1%
18 flights
Avg arrival delay
18 min
72 min when late
Rank on route
#2 of 4
route average 75% on time
Key facts
- Republic Airways flights on ORD to PWM arrived on time 76% of the time in Aug 2025 – Jul 2026.
- 3.1% were cancelled, and 7% arrived an hour or more late.
- That ranks #2 of 4 airlines on this route, which averaged 75% on time overall.
- The largest source of delay minutes was late-arriving aircraft (37%).
On-time trend by month
Why this airline's flights were late
- Late-arriving aircraft37%
- Airline (crew, maintenance, cleaning, fueling)33%
- Air traffic control & airport congestion18%
- Extreme weather12%
- Security0%
Other airlines on ORD to PWM
- United Airlines72% on time · 19 min avg delay
- SkyWest Airlines70% on time · 22 min avg delay
- Envoy Air82% on time · 14 min avg delay
Full ORD to PWM comparison →
Republic Airways on-time record across all routes →
572 Republic Airways flights tracked on this route; 18 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.