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Flight Reliability

UA 487 · United Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and UA 487 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

91%
Arrive within 15 minutes
7 min early
Average arrival delay
0.3%
Cancelled
12 min early
Median arrival delay

Based on 584 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon86%(85 flights)
  • Tue94%(77 flights)
  • Wed92%(78 flights)
  • Thu93%(83 flights)
  • Fri90%(87 flights)
  • Sat97%(85 flights)
  • Sun90%(86 flights)
On-time by departure window
  • 3–6 AM97%(246 flights)
  • 6–9 AM85%(71 flights)
  • 9 AM–12 PM88%(262 flights)
  • 12–3 PM(1 flights)
  • 9 PM–12 AM(1 flights)
On-time trend by month
84%
May

Jun 89% → May 84% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202589%27
July 202589%62
August 202584%49
September 202597%36
October 202593%56
November 2025100%30
December 202596%45
January 202693%53
February 202690%51
March 202695%60
April 202692%61
May 202684%51
Departures on time
90%
Diverted
0.2%
Flights flown
581
Months covered
12

Based on 584 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.