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Flight Reliability

UA 5776 · United Airlines

Aspen → Denver (ASE–DEN)97% of its flights flew this route. The rest (ROA–ORD, CVG–ORD) are included in these numbers.

32
Bring Snacks
WanderNerd Reliability Score
63%
Arrive within 15 minutes
33 min
Average arrival delay
7.0%
Cancelled
4 min
Median arrival delay

Based on 344 historical flights. Data through May 2026.

What the data says

Saturdays have been rough.

UA 5776 arrived on time 72% of the time on Thursdays and just 54% on Saturdays. That gap is worth planning around.

Lagging the ASE–DEN route.

UA 5776 arrived on time 63% of the time, versus 74% across the ASE–DEN route.

Well behind the United Airlines network.

UA 5776 arrived on time 63% of the time, versus 79% across the United Airlines network.

Keep a backup plan handy.

UA 5776 was cancelled 7.0% of the time. Typical for U.S. flights is around 1–2%.

The breakdown

On-time by weekday
  • Mon57%(49 flights)
  • Tue69%(45 flights)
  • Wed68%(47 flights)
  • Thu72%(47 flights)
  • Fri57%(46 flights)
  • Sat54%(43 flights)
  • Sun65%(43 flights)
On-time by departure window
  • 9 AM–12 PM—(8 flights)
  • 3–6 PM62%(311 flights)
  • 6–9 PM—(1 flights)
On-time trend by month
94%
May

Jun 32% → May 94% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202532%25
July 202535%29
August 202546%28
September 202550%30
October 202561%31
November 202581%26
December 202569%29
January 202689%28
February 202664%28
March 202684%25
April 202665%23
May 202694%18
Departures on time
66%
Diverted
0%
Flights flown
320
Months covered
12

Same route, other flights

Keep nerding

Based on 344 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.