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Flight Reliability

UA 4679 · United Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and UA 4679 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

84%
Arrive within 15 minutes
1 min
Average arrival delay
0.8%
Cancelled
11 min early
Median arrival delay

Based on 354 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon82%(51 flights)
  • Tue82%(49 flights)
  • Wed84%(51 flights)
  • Thu88%(49 flights)
  • Fri82%(49 flights)
  • Sat86%(50 flights)
  • Sun84%(50 flights)
On-time by departure window
  • 6–9 AM90%(106 flights)
  • 9 AM–12 PM87%(166 flights)
  • 12–3 PM83%(24 flights)
  • 3–6 PM55%(40 flights)
  • 6–9 PM85%(13 flights)
On-time trend by month
85%
May

Jun 86% → May 85% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202586%29
July 202587%31
August 202587%30
September 202593%30
October 202594%31
November 202589%27
December 202594%31
January 202681%31
February 202675%28
March 202684%31
April 202653%30
May 202685%20
Departures on time
85%
Diverted
0.6%
Flights flown
349
Months covered
12

Keep nerding

Based on 354 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.