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Flight Reliability

UA 489 · United Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and UA 489 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

78%
Arrive within 15 minutes
8 min
Average arrival delay
0.7%
Cancelled
5 min early
Median arrival delay

Based on 715 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon81%(104 flights)
  • Tue80%(93 flights)
  • Wed77%(96 flights)
  • Thu75%(104 flights)
  • Fri82%(104 flights)
  • Sat74%(98 flights)
  • Sun81%(109 flights)
On-time by departure window
  • 6–9 AM87%(45 flights)
  • 9 AM–12 PM89%(210 flights)
  • 3–6 PM75%(327 flights)
  • 6–9 PM66%(126 flights)
On-time trend by month
92%
May

Jun 65% → May 92% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202565%63
July 202565%92
August 202579%47
September 202592%24
October 202573%64
November 202577%87
December 202588%33
January 202690%31
February 202679%62
March 202677%84
April 202690%59
May 202692%62
Departures on time
82%
Diverted
0.3%
Flights flown
708
Months covered
12

Keep nerding

Based on 715 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.