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Flight Reliability

UA 5585 · United Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and UA 5585 moved between routes during this period. Numbers below combine all of them, so treat them as background, not a verdict. For a cleaner answer, check the route you are actually flying.

Combined across all its routes

76%
Arrive within 15 minutes
18 min
Average arrival delay
0.4%
Cancelled
4 min early
Median arrival delay

Based on 243 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon78%(36 flights)
  • Tue77%(34 flights)
  • Wed84%(31 flights)
  • Thu67%(33 flights)
  • Fri75%(40 flights)
  • Sat78%(36 flights)
  • Sun72%(29 flights)
On-time by departure window
  • 6–9 AM84%(38 flights)
  • 9 AM–12 PM90%(10 flights)
  • 12–3 PM77%(74 flights)
  • 3–6 PM65%(91 flights)
  • 6–9 PM92%(26 flights)
On-time trend by month
71%
May

Jun 76% → May 71% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202576%29
July 202587%31
August 202587%23
September 202591%22
December 202567%15
January 202668%19
February 202630%10
March 202681%16
April 202667%30
May 202671%31
Departures on time
79%
Diverted
1.2%
Flights flown
239
Months covered
12

Keep nerding

Based on 243 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.