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WanderNerd

Flight Reliability

UA 3546 · United Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and UA 3546 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

80%
Arrive within 15 minutes
8 min
Average arrival delay
4.9%
Cancelled
9 min early
Median arrival delay

Based on 349 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon78%(49 flights)
  • Tue89%(47 flights)
  • Wed80%(49 flights)
  • Thu77%(47 flights)
  • Fri77%(47 flights)
  • Sat85%(46 flights)
  • Sun79%(47 flights)
On-time by departure window
  • 3–6 AM91%(21 flights)
  • 6–9 AM93%(67 flights)
  • 9 AM–12 PM82%(34 flights)
  • 12–3 PM82%(11 flights)
  • 3–6 PM(3 flights)
  • 6–9 PM75%(165 flights)
  • 9 PM–12 AM74%(31 flights)
On-time trend by month
86%
May

Jun 60% → May 86% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202560%25
July 202562%26
August 202581%31
September 202577%26
October 202583%30
November 202584%25
December 202577%30
January 202693%28
February 202682%27
March 202687%30
April 202692%25
May 202686%29
Departures on time
82%
Diverted
0%
Flights flown
332
Months covered
12

Based on 349 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.