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Flight Reliability

UA 1546 · United Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and UA 1546 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

86%
Arrive within 15 minutes
3 min
Average arrival delay
0.2%
Cancelled
6 min early
Median arrival delay

Based on 429 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon83%(64 flights)
  • Tue96%(48 flights)
  • Wed92%(59 flights)
  • Thu81%(68 flights)
  • Fri83%(63 flights)
  • Sat81%(59 flights)
  • Sun88%(67 flights)
On-time by departure window
  • 9 AM–12 PM86%(21 flights)
  • 3–6 PM87%(71 flights)
  • 6–9 PM78%(41 flights)
  • 9 PM–12 AM86%(295 flights)
On-time trend by month
87%
May

Jun 93% → May 87% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202593%30
July 202581%31
August 202579%42
September 202587%37
October 202596%56
November 202593%29
December 202583%29
January 202683%30
February 202674%35
March 202682%45
April 202689%26
May 202687%38
Departures on time
86%
Diverted
0%
Flights flown
428
Months covered
12

Keep nerding

Based on 429 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.