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Flight Reliability

UA 500 · United Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and UA 500 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

83%
Arrive within 15 minutes
6 min
Average arrival delay
0.3%
Cancelled
5 min early
Median arrival delay

Based on 608 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon84%(88 flights)
  • Tue81%(86 flights)
  • Wed92%(87 flights)
  • Thu77%(85 flights)
  • Fri80%(85 flights)
  • Sat90%(86 flights)
  • Sun78%(88 flights)
On-time by departure window
  • 6–9 AM87%(253 flights)
  • 9 AM–12 PM84%(274 flights)
  • 3–6 PM68%(78 flights)
On-time trend by month
75%
May

Jun 83% → May 75% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202583%89
July 202584%92
August 202581%80
September 202595%60
October 202598%56
November 202593%29
December 202572%47
January 202684%31
February 202686%28
March 202684%31
April 202647%30
May 202675%32
Departures on time
82%
Diverted
0.2%
Flights flown
605
Months covered
12

Keep nerding

Based on 608 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.