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Flight Reliability

UA 611 · United Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and UA 611 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

85%
Arrive within 15 minutes
2 min
Average arrival delay
1.0%
Cancelled
4 min early
Median arrival delay

Based on 522 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon74%(73 flights)
  • Tue81%(73 flights)
  • Wed84%(73 flights)
  • Thu88%(74 flights)
  • Fri95%(73 flights)
  • Sat84%(76 flights)
  • Sun87%(74 flights)
On-time by departure window
  • 6–9 AM87%(235 flights)
  • 9 AM–12 PM83%(259 flights)
  • 12–3 PM77%(22 flights)
On-time trend by month
84%
May

Jun 93% → May 84% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202593%55
July 202577%30
August 202589%44
September 202592%60
October 202588%56
November 202582%28
December 202578%45
January 202674%35
February 202682%62
March 202677%39
April 202690%31
May 202684%31
Departures on time
88%
Diverted
0.2%
Flights flown
516
Months covered
12

Keep nerding

Based on 522 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.