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WanderNerd

Flight Reliability

UA 5865 · United Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and UA 5865 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

55%
Arrive within 15 minutes
26 min
Average arrival delay
4.5%
Cancelled
12 min
Median arrival delay

Based on 133 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon50%(20 flights)
  • Tue62%(13 flights)
  • Wed52%(21 flights)
  • Thu71%(24 flights)
  • Fri55%(20 flights)
  • Sat40%(10 flights)
  • Sun47%(19 flights)
On-time by departure window
  • 6–9 AM(7 flights)
  • 9 AM–12 PM80%(15 flights)
  • 12–3 PM(1 flights)
  • 3–6 PM46%(92 flights)
  • 6–9 PM75%(12 flights)
On-time trend by month
76%
May

Jul 33% → May 76% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
July 202533%15
January 202648%23
February 202650%26
March 202639%23
May 202676%25
Departures on time
70%
Diverted
0%
Flights flown
127
Months covered
10

Based on 133 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.