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WanderNerd

Flight Reliability

UA 4654 · United Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and UA 4654 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

58%
Arrive within 15 minutes
35 min
Average arrival delay
2.4%
Cancelled
9 min
Median arrival delay

Based on 337 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon47%(49 flights)
  • Tue63%(40 flights)
  • Wed67%(49 flights)
  • Thu63%(51 flights)
  • Fri53%(49 flights)
  • Sat70%(40 flights)
  • Sun48%(50 flights)
On-time by departure window
  • 3–6 AM(2 flights)
  • 6–9 AM73%(11 flights)
  • 9 AM–12 PM(2 flights)
  • 12–3 PM61%(104 flights)
  • 3–6 PM78%(18 flights)
  • 6–9 PM53%(180 flights)
  • 9 PM–12 AM64%(11 flights)
On-time trend by month
76%
May

Jun 52% → May 76% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202552%29
July 202567%21
August 202558%24
September 202533%30
October 202548%31
November 202556%27
December 202576%25
January 202663%30
February 202654%28
March 202658%31
April 202667%27
May 202676%25
Departures on time
74%
Diverted
0.3%
Flights flown
328
Months covered
12

Based on 337 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.