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Flight Reliability

UA 1865 · United Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and UA 1865 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

80%
Arrive within 15 minutes
6 min
Average arrival delay
0.7%
Cancelled
7 min early
Median arrival delay

Based on 421 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon83%(60 flights)
  • Tue82%(61 flights)
  • Wed81%(59 flights)
  • Thu80%(59 flights)
  • Fri81%(58 flights)
  • Sat85%(58 flights)
  • Sun66%(61 flights)
On-time by departure window
  • 6–9 AM85%(118 flights)
  • 9 AM–12 PM95%(86 flights)
  • 3–6 PM83%(58 flights)
  • 6–9 PM66%(154 flights)
On-time trend by month
90%
May

Jun 57% → May 90% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202557%30
July 202557%30
August 202558%31
September 2025100%29
October 202577%30
November 202583%29
December 202567%30
January 202683%57
February 202682%56
March 202697%34
April 2026100%29
May 202690%31
Departures on time
82%
Diverted
0.5%
Flights flown
416
Months covered
12

Keep nerding

Based on 421 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.