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Flight Reliability

UA 5545 · United Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and UA 5545 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

69%
Arrive within 15 minutes
23 min
Average arrival delay
2.8%
Cancelled
0 min
Median arrival delay

Based on 361 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon78%(50 flights)
  • Tue69%(52 flights)
  • Wed66%(47 flights)
  • Thu69%(49 flights)
  • Fri59%(49 flights)
  • Sat67%(49 flights)
  • Sun71%(51 flights)
On-time by departure window
  • 3–6 AM—(9 flights)
  • 6–9 AM68%(79 flights)
  • 3–6 PM66%(193 flights)
  • 6–9 PM72%(65 flights)
  • 9 PM–12 AM—(1 flights)
On-time trend by month
93%
May

Jun 59% → May 93% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202559%29
July 202550%28
August 202548%29
September 202570%30
October 202574%31
November 202589%26
December 202567%30
January 202667%30
February 202663%27
March 202675%28
April 202669%29
May 202693%30
Departures on time
72%
Diverted
1.1%
Flights flown
347
Months covered
12

Keep nerding

Based on 361 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.