OnTimeRoutes
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SkyWest Airlines BIL to DEN on-time performance

SkyWest Airlines nonstop flights from Billings to Denver · Aug 2025 – Jul 2026Regional airline operating flights for United Express, Delta Connection, American Eagle and Alaska.

On-time arrivals
82%
arrived < 15 min late
Cancelled
1.1%
12 flights
Avg arrival delay
15 min
80 min when late
Rank on route
#2 of 2
route average 82% on time

Key facts

  • SkyWest Airlines flights on BIL to DEN arrived on time 82% of the time in Aug 2025 – Jul 2026.
  • 1.1% were cancelled, and 8% arrived an hour or more late.
  • That ranks #2 of 2 airlines on this route, which averaged 82% on time overall.
  • The largest source of delay minutes was late-arriving aircraft (33%).

On-time trend by month

50%75%100%July 2025: 70.9% on time, 2.5% cancelledJul ’25August 2025: 70.9% on time, 0.8% cancelledAug ’25September 2025: 81.1% on time, 0.0% cancelledSep ’25October 2025: 91.4% on time, 0.0% cancelledOct ’25November 2025: 85.5% on time, 4.6% cancelledNov ’25December 2025: 76.7% on time, 4.8% cancelledDec ’25January 2026: 85.2% on time, 1.6% cancelledJan ’26February 2026: 77.4% on time, 1.9% cancelledFeb ’26March 2026: 82.0% on time, 1.6% cancelledMar ’26April 2026: 89.6% on time, 0.0% cancelledApr ’26May 2026: 89.1% on time, 0.0% cancelledMay ’26June 2026: 87.0% on time, 0.9% cancelledJun ’26July 2026: 69.2% 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 aircraft33%
  • Airline (crew, maintenance, cleaning, fueling)33%
  • Air traffic control & airport congestion24%
  • Extreme weather11%
  • Security0%

Other airlines on BIL to DEN

1,049 SkyWest Airlines flights tracked on this route; 12 cancelled, 3 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.