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Flight Reliability

UA 5775 · United Airlines

Denver → Aspen (DEN–ASE)99% of its flights flew this route. The rest (ORD–MBS) are included in these numbers.

46
Bring Snacks
WanderNerd Reliability Score
70%
Arrive within 15 minutes
31 min
Average arrival delay
4.2%
Cancelled
5 min early
Median arrival delay

Based on 336 historical flights. Data through May 2026.

What the data says

Skip Saturday if you can.

UA 5775 arrived on time 73% of the time on Mondays. On Saturdays: 64%.

A bit behind the DEN–ASE route.

UA 5775 arrived on time 70% of the time, versus 75% across the DEN–ASE route.

Lagging the United Airlines network.

UA 5775 arrived on time 70% of the time, versus 79% across the United Airlines network.

Keep a backup plan handy.

UA 5775 was cancelled 4.2% of the time. Typical for U.S. flights is around 1–2%.

The breakdown

On-time by weekday
  • Mon73%(44 flights)
  • Tue67%(48 flights)
  • Wed72%(47 flights)
  • Thu67%(45 flights)
  • Fri73%(44 flights)
  • Sat64%(45 flights)
  • Sun71%(45 flights)
On-time by departure window
  • 3–6 PM70%(315 flights)
  • 6–9 PM—(3 flights)
On-time trend by month
100%
May

Jun 32% → May 100% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202532%28
July 202540%30
August 202552%29
September 202573%30
October 202581%31
November 202578%27
December 202571%28
January 202682%28
February 202676%25
March 202682%28
April 202691%23
May 2026100%11
Departures on time
71%
Diverted
1.2%
Flights flown
318
Months covered
12

Same route, other flights

Keep nerding

Based on 336 historical flights, because apparently we checked. Historical flight data: U.S. Bureau of Transportation Statistics, June 2025 – May 2026. Data through May 2026. How we calculate this.