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Flight Reliability

UA 5651 · United Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and UA 5651 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

87%
Arrive within 15 minutes
2 min early
Average arrival delay
0.3%
Cancelled
11 min early
Median arrival delay

Based on 359 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon94%(52 flights)
  • Tue96%(50 flights)
  • Wed87%(52 flights)
  • Thu90%(51 flights)
  • Fri81%(52 flights)
  • Sat92%(49 flights)
  • Sun71%(49 flights)
On-time by departure window
  • 9 AM–12 PM—(6 flights)
  • 12–3 PM87%(127 flights)
  • 3–6 PM87%(211 flights)
  • 6–9 PM91%(11 flights)
On-time trend by month
94%
May

Jun 70% → May 94% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202570%27
July 202583%30
August 202596%28
September 202590%29
October 202597%29
November 2025100%30
December 202584%31
January 202681%31
February 202686%28
March 202687%31
April 202680%30
May 202694%31
Departures on time
87%
Diverted
0.8%
Flights flown
355
Months covered
12

Keep nerding

Based on 359 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.