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Flight Reliability

UA 4659 · United Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and UA 4659 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
12 min
Average arrival delay
1.1%
Cancelled
9 min early
Median arrival delay

Based on 360 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon73%(51 flights)
  • Tue87%(52 flights)
  • Wed77%(48 flights)
  • Thu75%(51 flights)
  • Fri69%(51 flights)
  • Sat78%(51 flights)
  • Sun85%(52 flights)
On-time by departure window
  • 6–9 AM79%(61 flights)
  • 9 AM–12 PM98%(53 flights)
  • 12–3 PM74%(198 flights)
  • 3–6 PM67%(43 flights)
  • 9 PM–12 AM—(1 flights)
On-time trend by month
94%
May

Jun 76% → May 94% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202576%29
July 202577%31
August 202571%31
September 202593%30
October 202587%31
November 202577%30
December 202562%29
January 202655%29
February 202677%26
March 202662%29
April 202697%30
May 202694%31
Departures on time
81%
Diverted
0%
Flights flown
356
Months covered
12

Keep nerding

Based on 360 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.