Skip to content
WanderNerd

Flight Reliability

UA 4600 · United Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and UA 4600 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

67%
Arrive within 15 minutes
32 min
Average arrival delay
1.3%
Cancelled
0 min
Median arrival delay

Based on 304 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon70%(40 flights)
  • Tue67%(36 flights)
  • Wed70%(33 flights)
  • Thu63%(49 flights)
  • Fri65%(48 flights)
  • Sat64%(42 flights)
  • Sun73%(52 flights)
On-time by departure window
  • 6–9 AM(3 flights)
  • 9 AM–12 PM60%(91 flights)
  • 12–3 PM84%(32 flights)
  • 3–6 PM70%(142 flights)
  • 6–9 PM71%(14 flights)
  • 9 PM–12 AM44%(18 flights)
On-time trend by month
77%
May

Jun 73% → May 77% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202573%15
July 202571%17
August 202583%23
September 202583%30
October 202574%31
November 202557%30
December 202553%15
January 202635%20
February 202685%20
March 202659%29
April 202662%53
May 202677%17
Departures on time
72%
Diverted
0%
Flights flown
300
Months covered
12

Based on 304 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.