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Flight Reliability

UA 679 · United Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and UA 679 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

88%
Arrive within 15 minutes
2 min early
Average arrival delay
0.1%
Cancelled
11 min early
Median arrival delay

Based on 743 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon90%(114 flights)
  • Tue90%(79 flights)
  • Wed95%(97 flights)
  • Thu82%(114 flights)
  • Fri82%(114 flights)
  • Sat90%(105 flights)
  • Sun87%(119 flights)
On-time by departure window
  • 9 AM–12 PM96%(101 flights)
  • 12–3 PM96%(99 flights)
  • 3–6 PM90%(219 flights)
  • 6–9 PM80%(291 flights)
  • 9 PM–12 AM78%(32 flights)
On-time trend by month
87%
May

Jun 86% → May 87% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202586%65
July 202582%89
August 202586%58
September 202586%49
October 202591%54
November 202591%84
December 202585%46
January 202678%36
February 202689%62
March 202694%78
April 202691%67
May 202687%54
Departures on time
87%
Diverted
0%
Flights flown
742
Months covered
12

Keep nerding

Based on 743 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.