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Flight Reliability

UA 5547 · United Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and UA 5547 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

76%
Arrive within 15 minutes
9 min
Average arrival delay
1.1%
Cancelled
4 min early
Median arrival delay

Based on 351 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon82%(50 flights)
  • Tue68%(50 flights)
  • Wed84%(51 flights)
  • Thu75%(51 flights)
  • Fri69%(48 flights)
  • Sat76%(46 flights)
  • Sun78%(50 flights)
On-time by departure window
  • 6–9 AM80%(89 flights)
  • 9 AM–12 PM—(3 flights)
  • 12–3 PM82%(72 flights)
  • 3–6 PM70%(124 flights)
  • 6–9 PM76%(49 flights)
  • 9 PM–12 AM—(9 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%30
July 202590%31
August 2025100%31
September 202577%30
October 202577%30
November 202582%28
December 202572%29
January 202647%30
February 202642%24
March 202679%29
April 202696%25
May 202686%29
Departures on time
86%
Diverted
0.3%
Flights flown
346
Months covered
12

Keep nerding

Based on 351 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.