OnTimeRoutes
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Envoy Air STS to PHX on-time performance

Envoy Air nonstop flights from Santa Rosa to Phoenix · Aug 2025 – Jul 2026Regional airline operating American Eagle flights.

On-time arrivals
80%
arrived < 15 min late
Cancelled
0.5%
2 flights
Avg arrival delay
12 min
54 min when late
Rank on route
#2 of 3
route average 77% on time

Key facts

  • Envoy Air flights on STS to PHX arrived on time 80% of the time in Aug 2025 – Jul 2026.
  • 0.5% were cancelled, and 5% arrived an hour or more late.
  • That ranks #2 of 3 airlines on this route, which averaged 77% on time overall.
  • The largest source of delay minutes was late-arriving aircraft (63%).

On-time trend by month

30%65%100%August 2025: 92.3% on time, 0.0% cancelledAug ’25September 2025: 100.0% on time, 3.8% cancelledSep ’25October 2025: 71.4% on time, 0.0% cancelledOct ’25November 2025: 76.0% on time, 2.0% cancelledNov ’25December 2025: 75.0% on time, 0.0% cancelledDec ’25January 2026: 77.4% on time, 0.0% cancelledJan ’26February 2026: 94.4% on time, 0.0% cancelledFeb ’26March 2026: 83.9% on time, 0.0% cancelledMar ’26April 2026: 91.7% on time, 0.0% cancelledApr ’26July 2026: 48.3% on time, 0.0% cancelledJul ’26
On-time arrival rate by month. Hover a bar for exact figures.

Why this airline's flights were late

  • Late-arriving aircraft63%
  • Air traffic control & airport congestion23%
  • Airline (crew, maintenance, cleaning, fueling)13%
  • Extreme weather1%
  • Security0%

Other airlines on STS to PHX

426 Envoy Air flights tracked on this route; 2 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.