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Flight Reliability

UA 5110 · United Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and UA 5110 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

71%
Arrive within 15 minutes
15 min
Average arrival delay
2.3%
Cancelled
3 min early
Median arrival delay

Based on 354 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon76%(62 flights)
  • Tue50%(16 flights)
  • Wed72%(61 flights)
  • Thu66%(62 flights)
  • Fri82%(65 flights)
  • Sat60%(15 flights)
  • Sun66%(65 flights)
On-time by departure window
  • 9 AM–12 PM40%(10 flights)
  • 12–3 PM74%(176 flights)
  • 3–6 PM76%(86 flights)
  • 6–9 PM46%(37 flights)
  • 9 PM–12 AM76%(37 flights)
On-time trend by month
59%
May

Jun 62% → May 59% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202562%21
July 202581%21
August 202559%39
September 202571%52
October 202578%23
November 202570%20
December 202575%24
January 202686%21
February 202681%21
March 202674%35
April 202674%23
May 202659%46
Departures on time
75%
Diverted
0%
Flights flown
346
Months covered
12

Keep nerding

Based on 354 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.