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Flight Reliability

UA 5043 · United Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and UA 5043 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

79%
Arrive within 15 minutes
19 min
Average arrival delay
2.5%
Cancelled
9 min early
Median arrival delay

Based on 445 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon76%(67 flights)
  • Tue79%(47 flights)
  • Wed84%(64 flights)
  • Thu78%(69 flights)
  • Fri82%(66 flights)
  • Sat76%(50 flights)
  • Sun75%(68 flights)
On-time by departure window
  • 6–9 AM81%(371 flights)
  • 9 AM–12 PM71%(14 flights)
  • 3–6 PM85%(13 flights)
  • 6–9 PM49%(33 flights)
On-time trend by month
84%
May

Jun 90% → May 84% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202590%30
July 202546%28
August 202592%26
September 202588%34
October 202589%54
November 202586%49
December 202568%41
January 202675%48
February 202682%34
March 202662%29
April 202670%27
May 202684%31
Departures on time
83%
Diverted
0.7%
Flights flown
431
Months covered
12

Keep nerding

Based on 445 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.