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WanderNerd

Flight Reliability

UA 5055 · United Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and UA 5055 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

78%
Arrive within 15 minutes
12 min
Average arrival delay
2.2%
Cancelled
7 min early
Median arrival delay

Based on 364 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon77%(52 flights)
  • Tue74%(43 flights)
  • Wed78%(54 flights)
  • Thu77%(53 flights)
  • Fri81%(53 flights)
  • Sat78%(46 flights)
  • Sun80%(55 flights)
On-time by departure window
  • 9 AM–12 PM56%(32 flights)
  • 12–3 PM81%(290 flights)
  • 3–6 PM70%(33 flights)
  • 6–9 PM(1 flights)
On-time trend by month
83%
May

Jun 80% → May 83% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202580%30
July 202587%31
August 202577%31
September 2025100%30
October 2025100%31
November 202590%30
December 202570%30
January 202668%25
February 202652%29
March 202652%31
April 202673%22
May 202683%36
Departures on time
80%
Diverted
0%
Flights flown
356
Months covered
12

Based on 364 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.