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Flight Reliability

UA 5263 · United Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and UA 5263 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

65%
Arrive within 15 minutes
22 min
Average arrival delay
1.1%
Cancelled
3 min
Median arrival delay

Based on 348 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon63%(49 flights)
  • Tue65%(48 flights)
  • Wed67%(49 flights)
  • Thu67%(48 flights)
  • Fri58%(48 flights)
  • Sat75%(52 flights)
  • Sun56%(50 flights)
On-time by departure window
  • 9 AM–12 PM75%(12 flights)
  • 12–3 PM64%(25 flights)
  • 3–6 PM46%(48 flights)
  • 6–9 PM68%(259 flights)
On-time trend by month
65%
May

Jun 31% → May 65% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202531%29
July 202542%31
August 202557%30
September 202577%30
October 202568%31
November 202593%29
December 202581%31
January 202624%25
February 202668%19
March 202676%29
April 202690%29
May 202665%31
Departures on time
67%
Diverted
0%
Flights flown
344
Months covered
12

Keep nerding

Based on 348 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.