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Flight Reliability

UA 1534 · United Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and UA 1534 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

79%
Arrive within 15 minutes
10 min
Average arrival delay
0.2%
Cancelled
4 min early
Median arrival delay

Based on 445 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon73%(64 flights)
  • Tue81%(62 flights)
  • Wed81%(63 flights)
  • Thu82%(61 flights)
  • Fri77%(64 flights)
  • Sat78%(64 flights)
  • Sun79%(65 flights)
On-time by departure window
  • 12–3 PM79%(181 flights)
  • 3–6 PM79%(262 flights)
On-time trend by month
87%
May

Jun 40% → May 87% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202540%30
July 202560%30
August 202573%30
September 202557%30
October 202589%37
November 202590%58
December 202581%32
January 202690%31
February 202680%45
March 202681%59
April 202697%30
May 202687%31
Departures on time
80%
Diverted
0.2%
Flights flown
443
Months covered
12

Keep nerding

Based on 445 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.