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Flight Reliability

UA 4673 · United Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and UA 4673 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

66%
Arrive within 15 minutes
25 min
Average arrival delay
1.9%
Cancelled
2 min
Median arrival delay

Based on 365 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon65%(52 flights)
  • Tue74%(50 flights)
  • Wed64%(52 flights)
  • Thu61%(51 flights)
  • Fri61%(51 flights)
  • Sat74%(50 flights)
  • Sun63%(51 flights)
On-time by departure window
  • 6–9 AM—(1 flights)
  • 9 AM–12 PM77%(83 flights)
  • 12–3 PM68%(22 flights)
  • 3–6 PM54%(109 flights)
  • 6–9 PM68%(142 flights)
On-time trend by month
57%
May

Jun 67% → May 57% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202567%30
July 202587%31
August 202571%31
September 202580%30
October 202590%31
November 202556%27
December 202565%31
January 202642%31
February 202650%28
March 202661%28
April 202662%29
May 202657%30
Departures on time
80%
Diverted
0.3%
Flights flown
357
Months covered
12

Keep nerding

Based on 365 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.