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Flight Reliability

UA 3529 · United Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and UA 3529 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

84%
Arrive within 15 minutes
1 min early
Average arrival delay
1.9%
Cancelled
12 min early
Median arrival delay

Based on 361 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon80%(51 flights)
  • Tue88%(49 flights)
  • Wed88%(50 flights)
  • Thu80%(49 flights)
  • Fri90%(51 flights)
  • Sat90%(52 flights)
  • Sun71%(52 flights)
On-time by departure window
  • 6–9 AM87%(85 flights)
  • 9 AM–12 PM75%(57 flights)
  • 12–3 PM92%(144 flights)
  • 6–9 PM70%(47 flights)
  • 9 PM–12 AM67%(21 flights)
On-time trend by month
100%
May

Jun 90% → May 100% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202590%30
July 202586%29
August 2025100%31
September 202593%30
October 202581%31
November 202579%29
December 202571%31
January 202679%29
February 202689%26
March 202670%27
April 202667%30
May 2026100%31
Departures on time
88%
Diverted
0%
Flights flown
354
Months covered
12

Keep nerding

Based on 361 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.