Envoy Air BOS to STL on-time performance
Envoy Air nonstop flights from Boston to St. Louis · Aug 2025 – Jul 2026Regional airline operating American Eagle flights.
On-time arrivals
82%
arrived < 15 min late
Cancelled
1.0%
4 flights
Avg arrival delay
14 min
73 min when late
Rank on route
#1 of 3
route average 76% on time
Key facts
- Envoy Air flights on BOS to STL arrived on time 82% of the time in Aug 2025 – Jul 2026.
- 1% were cancelled, and 9% arrived an hour or more late.
- That ranks #1 of 3 airlines on this route, which averaged 76% on time overall.
- The largest source of delay minutes was late-arriving aircraft (65%).
On-time trend by month
Why this airline's flights were late
- Late-arriving aircraft65%
- Airline (crew, maintenance, cleaning, fueling)25%
- Air traffic control & airport congestion9%
- Extreme weather1%
- Security0%
Other airlines on BOS to STL
- Southwest Airlines73% on time · 18 min avg delay
- Republic Airways79% on time · 12 min avg delay
Full BOS to STL comparison →
Envoy Air on-time record across all routes →
384 Envoy Air flights tracked on this route; 4 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.