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Flight Reliability

UA 5576 · United Airlines

RAP → Denver (RAP–DEN)97% of its flights flew this route. The rest (ORD–FSD, SUN–DEN) are included in these numbers.

95
Nerd Approved
WanderNerd Reliability Score
88%
Arrive within 15 minutes
3 min
Average arrival delay
0.3%
Cancelled
15 min early
Median arrival delay

Based on 359 historical flights. Data through May 2026.

What the data says

Friday is doing you no favors.

UA 5576 arrived on time 94% of the time on Sundays. On Fridays: 81%.

Better than the RAP–DEN route average.

UA 5576 arrived on time 88% of the time, versus 79% across the RAP–DEN route.

Better than the United Airlines network average.

UA 5576 arrived on time 88% of the time, versus 79% across the United Airlines network.

It basically never cancels.

Out of 359 scheduled flights, only 0.3% were cancelled.

The breakdown

On-time by weekday
  • Mon84%(51 flights)
  • Tue94%(50 flights)
  • Wed92%(51 flights)
  • Thu82%(51 flights)
  • Fri81%(52 flights)
  • Sat89%(52 flights)
  • Sun94%(51 flights)
On-time by departure window
  • 3–6 AM88%(346 flights)
  • 6–9 AM—(2 flights)
  • 9 PM–12 AM90%(10 flights)
On-time trend by month
97%
May

Jun 70% → May 97% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202570%30
July 202590%29
August 202587%31
September 202597%30
October 202580%30
November 202593%30
December 202583%30
January 202684%31
February 202693%27
March 202694%31
April 202690%29
May 202697%30
Departures on time
92%
Diverted
0%
Flights flown
358
Months covered
12

Same route, other flights

Keep nerding

Based on 359 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.