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Flight Reliability

UA 3547 · United Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and UA 3547 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

83%
Arrive within 15 minutes
2 min
Average arrival delay
3.5%
Cancelled
14 min early
Median arrival delay

Based on 344 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon85%(46 flights)
  • Tue79%(53 flights)
  • Wed81%(48 flights)
  • Thu86%(43 flights)
  • Fri84%(45 flights)
  • Sat88%(48 flights)
  • Sun76%(49 flights)
On-time by departure window
  • 3–6 AM100%(34 flights)
  • 6–9 AM90%(151 flights)
  • 9 AM–12 PM—(2 flights)
  • 12–3 PM91%(79 flights)
  • 3–6 PM47%(66 flights)
On-time trend by month
90%
May

Jun 76% → May 90% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202576%29
July 202590%29
August 202597%31
September 2025100%29
October 202590%30
November 202534%35
December 202581%31
January 202682%28
February 202688%24
March 202669%16
April 2026100%30
May 202690%20
Departures on time
88%
Diverted
0%
Flights flown
332
Months covered
12

Keep nerding

Based on 344 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.