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WanderNerd

Flight Reliability

UA 5544 · United Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and UA 5544 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

73%
Arrive within 15 minutes
14 min
Average arrival delay
2.9%
Cancelled
3 min early
Median arrival delay

Based on 347 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon76%(49 flights)
  • Tue83%(46 flights)
  • Wed75%(48 flights)
  • Thu74%(50 flights)
  • Fri73%(48 flights)
  • Sat59%(44 flights)
  • Sun71%(51 flights)
On-time by departure window
  • 6–9 AM88%(165 flights)
  • 3–6 PM59%(171 flights)
On-time trend by month
39%
May

Jun 77% → May 39% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202577%30
July 202587%31
August 202594%31
September 202583%30
October 202593%29
November 202580%20
December 202580%30
January 202657%30
February 202671%28
March 202646%24
April 202659%27
May 202639%26
Departures on time
76%
Diverted
0.3%
Flights flown
336
Months covered
12

Based on 347 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.