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Flight Reliability

UA 534 · United Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and UA 534 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

67%
Arrive within 15 minutes
27 min
Average arrival delay
2.3%
Cancelled
1 min
Median arrival delay

Based on 570 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon65%(78 flights)
  • Tue66%(80 flights)
  • Wed65%(77 flights)
  • Thu63%(79 flights)
  • Fri73%(82 flights)
  • Sat72%(79 flights)
  • Sun63%(78 flights)
On-time by departure window
  • 9 AM–12 PM82%(189 flights)
  • 12–3 PM77%(22 flights)
  • 3–6 PM48%(75 flights)
  • 6–9 PM61%(267 flights)
On-time trend by month
67%
May

Jun 75% → May 67% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202575%60
July 202560%60
August 202564%45
September 202571%35
October 202574%62
November 202571%58
December 202557%61
January 202669%35
February 202658%26
March 202665%52
April 202669%29
May 202667%30
Departures on time
70%
Diverted
0.7%
Flights flown
553
Months covered
12

Keep nerding

Based on 570 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.