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Flight Reliability

UA 2651 · United Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and UA 2651 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

74%
Arrive within 15 minutes
10 min
Average arrival delay
2.7%
Cancelled
0 min
Median arrival delay

Based on 441 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon77%(60 flights)
  • Tue80%(44 flights)
  • Wed75%(71 flights)
  • Thu73%(69 flights)
  • Fri69%(71 flights)
  • Sat79%(43 flights)
  • Sun73%(70 flights)
On-time by departure window
  • 3–6 PM64%(56 flights)
  • 6–9 PM76%(142 flights)
  • 9 PM–12 AM76%(230 flights)
On-time trend by month
73%
May

Jun 71% → May 73% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202571%35
July 202564%55
August 202565%31
September 202586%21
October 202579%28
November 202580%50
December 202572%29
January 202681%26
February 202683%36
March 202675%47
April 202672%18
May 202673%52
Departures on time
75%
Diverted
0.2%
Flights flown
428
Months covered
12

Keep nerding

Based on 441 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.