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Flight Reliability

UA 1611 · United Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and UA 1611 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

79%
Arrive within 15 minutes
8 min
Average arrival delay
1.7%
Cancelled
6 min early
Median arrival delay

Based on 533 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon88%(77 flights)
  • Tue81%(79 flights)
  • Wed81%(77 flights)
  • Thu76%(74 flights)
  • Fri76%(78 flights)
  • Sat78%(58 flights)
  • Sun71%(79 flights)
On-time by departure window
  • 6–9 AM81%(57 flights)
  • 9 AM–12 PM88%(69 flights)
  • 12–3 PM73%(106 flights)
  • 3–6 PM90%(48 flights)
  • 6–9 PM76%(242 flights)
On-time trend by month
84%
May

Jun 73% → May 84% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202573%51
July 202590%31
August 202587%31
September 202586%29
October 202581%37
November 202558%48
December 202579%58
January 202676%58
February 202684%51
March 202669%36
April 202684%31
May 202684%61
Departures on time
77%
Diverted
0.4%
Flights flown
522
Months covered
12

Keep nerding

Based on 533 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.