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Flight Reliability

UA 580 · United Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and UA 580 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

77%
Arrive within 15 minutes
12 min
Average arrival delay
1.6%
Cancelled
2 min early
Median arrival delay

Based on 495 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon79%(71 flights)
  • Tue74%(69 flights)
  • Wed81%(72 flights)
  • Thu85%(68 flights)
  • Fri76%(72 flights)
  • Sat78%(67 flights)
  • Sun69%(68 flights)
On-time by departure window
  • 3–6 AM—(6 flights)
  • 6–9 AM95%(38 flights)
  • 9 AM–12 PM83%(265 flights)
  • 12–3 PM64%(160 flights)
  • 3–6 PM61%(18 flights)
On-time trend by month
96%
May

Jun 69% → May 96% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202569%48
July 202574%31
August 202582%49
September 202594%36
October 202570%60
November 202564%56
December 202569%42
January 202674%34
February 202688%42
March 202673%33
April 202697%30
May 202696%26
Departures on time
80%
Diverted
0%
Flights flown
487
Months covered
12

Keep nerding

Based on 495 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.