Envoy Air ORD to MSO on-time performance
Envoy Air nonstop flights from Chicago to Missoula · Aug 2025 – Jul 2026Regional airline operating American Eagle flights.
On-time arrivals
76%
arrived < 15 min late
Cancelled
0.0%
0 flights
Avg arrival delay
14 min
55 min when late
Rank on route
#3 of 3
route average 80% on time
Key facts
- Envoy Air flights on ORD to MSO arrived on time 76% of the time in Aug 2025 – Jul 2026.
- 0% were cancelled, and 6% arrived an hour or more late.
- That ranks #3 of 3 airlines on this route, which averaged 80% on time overall.
- The largest source of delay minutes was extreme weather (31%).
On-time trend by month
Why this airline's flights were late
- Extreme weather31%
- Air traffic control & airport congestion28%
- Late-arriving aircraft27%
- Airline (crew, maintenance, cleaning, fueling)15%
- Security0%
Other airlines on ORD to MSO
- United Airlines89% on time · 7 min avg delay
- SkyWest Airlines82% on time · 11 min avg delay
Full ORD to MSO comparison →
Envoy Air on-time record across all routes →
342 Envoy Air flights tracked on this route; 0 cancelled, 2 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.