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Flight Reliability

UA 5864 · United Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and UA 5864 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

89%
Arrive within 15 minutes
7 min early
Average arrival delay
0%
Cancelled
13 min early
Median arrival delay

Based on 219 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon85%(41 flights)
  • Tue100%(22 flights)
  • Wed92%(26 flights)
  • Thu89%(36 flights)
  • Fri90%(38 flights)
  • Sat94%(18 flights)
  • Sun84%(37 flights)
On-time by departure window
  • 6–9 AM72%(29 flights)
  • 3–6 PM83%(41 flights)
  • 6–9 PM95%(147 flights)
  • 9 PM–12 AM—(1 flights)
On-time trend by month
71%
May

Jun 88% → May 71% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202588%25
July 202596%26
September 202589%18
October 202591%22
November 202580%20
December 202590%29
January 202688%24
February 2026100%25
May 202671%14
Departures on time
90%
Diverted
0.5%
Flights flown
218
Months covered
12

Keep nerding

Based on 219 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.