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Flight Reliability

UA 4724 · United Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and UA 4724 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

87%
Arrive within 15 minutes
1 min
Average arrival delay
1.6%
Cancelled
7 min early
Median arrival delay

Based on 364 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon80%(51 flights)
  • Tue90%(52 flights)
  • Wed84%(50 flights)
  • Thu92%(51 flights)
  • Fri90%(51 flights)
  • Sat83%(52 flights)
  • Sun92%(50 flights)
On-time by departure window
  • 6–9 AM91%(226 flights)
  • 9 AM–12 PM84%(68 flights)
  • 12–3 PM81%(42 flights)
  • 6–9 PM76%(21 flights)
On-time trend by month
77%
May

Jun 97% → May 77% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202597%30
July 202597%31
August 202594%31
September 202590%30
October 202597%31
November 202583%30
December 202579%29
January 2026100%29
February 202696%28
March 202671%28
April 202666%29
May 202677%31
Departures on time
91%
Diverted
0.3%
Flights flown
357
Months covered
12

Keep nerding

Based on 364 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.