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Flight Reliability

UA 5027 · United Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and UA 5027 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

74%
Arrive within 15 minutes
19 min
Average arrival delay
3.5%
Cancelled
6 min early
Median arrival delay

Based on 454 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon79%(75 flights)
  • Tue72%(39 flights)
  • Wed73%(64 flights)
  • Thu74%(69 flights)
  • Fri76%(74 flights)
  • Sat74%(43 flights)
  • Sun71%(70 flights)
On-time by departure window
  • 6–9 AM74%(66 flights)
  • 9 AM–12 PM82%(207 flights)
  • 12–3 PM62%(93 flights)
  • 3–6 PM67%(67 flights)
  • 6–9 PM—(1 flights)
On-time trend by month
76%
May

Jun 69% → May 76% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202569%29
July 202555%29
August 202581%26
September 202580%30
October 202583%35
November 202578%41
December 202574%46
January 202667%52
February 202694%33
March 202671%42
April 202669%42
May 202676%29
Departures on time
80%
Diverted
0.9%
Flights flown
434
Months covered
12

Keep nerding

Based on 454 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.