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Flight Reliability

UA 1824 · United Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and UA 1824 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

84%
Arrive within 15 minutes
2 min
Average arrival delay
0.4%
Cancelled
12 min early
Median arrival delay

Based on 274 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon83%(41 flights)
  • Tue86%(35 flights)
  • Wed86%(35 flights)
  • Thu83%(41 flights)
  • Fri86%(43 flights)
  • Sat89%(37 flights)
  • Sun73%(41 flights)
On-time by departure window
  • 9 AM–12 PM90%(166 flights)
  • 3–6 PM83%(71 flights)
  • 6–9 PM53%(36 flights)
On-time trend by month
96%
May

Aug 100% → May 96% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
August 2025100%13
September 202577%30
October 202581%31
November 202554%28
December 202587%31
January 202689%27
February 202683%24
March 202677%31
April 2026100%30
May 202696%28
Departures on time
84%
Diverted
0%
Flights flown
273
Months covered
10

Keep nerding

Based on 274 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.