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Flight Reliability

UA 2279 · United Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and UA 2279 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

75%
Arrive within 15 minutes
13 min
Average arrival delay
2.0%
Cancelled
8 min early
Median arrival delay

Based on 643 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon75%(91 flights)
  • Tue77%(81 flights)
  • Wed74%(88 flights)
  • Thu78%(91 flights)
  • Fri67%(95 flights)
  • Sat78%(87 flights)
  • Sun79%(96 flights)
On-time by departure window
  • 6–9 AM91%(88 flights)
  • 9 AM–12 PM82%(165 flights)
  • 12–3 PM66%(77 flights)
  • 3–6 PM73%(254 flights)
  • 6–9 PM32%(22 flights)
  • 9 PM–12 AM65%(23 flights)
On-time trend by month
57%
May

Jun 81% → May 57% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202581%59
July 202530%53
August 202568%31
September 2025100%30
October 202592%37
November 202589%54
December 202569%58
January 202679%77
February 202685%58
March 202689%61
April 202673%60
May 202657%51
Departures on time
78%
Diverted
0.2%
Flights flown
629
Months covered
12

Keep nerding

Based on 643 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.