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Flight Reliability

UA 1141 · United Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and UA 1141 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

76%
Arrive within 15 minutes
9 min
Average arrival delay
1.9%
Cancelled
4 min early
Median arrival delay

Based on 378 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon75%(51 flights)
  • Tue83%(53 flights)
  • Wed89%(53 flights)
  • Thu73%(56 flights)
  • Fri72%(54 flights)
  • Sat80%(51 flights)
  • Sun62%(52 flights)
On-time by departure window
  • 9 AM–12 PM68%(34 flights)
  • 12–3 PM71%(135 flights)
  • 3–6 PM76%(79 flights)
  • 6–9 PM61%(33 flights)
  • 9 PM–12 AM93%(89 flights)
On-time trend by month
69%
May

Jun 73% → May 69% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202573%30
July 202571%31
August 202563%30
September 202584%31
October 202581%31
November 202596%28
December 202577%30
January 202676%29
February 202677%26
March 202687%31
April 202665%31
May 202669%42
Departures on time
80%
Diverted
0.3%
Flights flown
370
Months covered
12

Keep nerding

Based on 378 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.