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Flight Reliability

UA 5019 · United Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and UA 5019 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

75%
Arrive within 15 minutes
18 min
Average arrival delay
0.8%
Cancelled
5 min early
Median arrival delay

Based on 392 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon80%(60 flights)
  • Tue81%(47 flights)
  • Wed74%(57 flights)
  • Thu72%(57 flights)
  • Fri64%(59 flights)
  • Sat81%(48 flights)
  • Sun73%(60 flights)
On-time by departure window
  • 9 AM–12 PM89%(27 flights)
  • 12–3 PM88%(75 flights)
  • 3–6 PM33%(24 flights)
  • 6–9 PM73%(261 flights)
  • 9 PM–12 AM—(1 flights)
On-time trend by month
77%
May

Jun 41% → May 77% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202541%29
July 202538%21
August 202548%25
September 202570%30
October 202587%31
November 202597%30
December 202581%43
January 202683%53
February 202674%35
March 202687%30
April 202687%30
May 202677%31
Departures on time
79%
Diverted
0.3%
Flights flown
388
Months covered
12

Keep nerding

Based on 392 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.