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Flight Reliability

UA 687 · United Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and UA 687 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

86%
Arrive within 15 minutes
0 min
Average arrival delay
0.7%
Cancelled
10 min early
Median arrival delay

Based on 420 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon83%(58 flights)
  • Tue80%(59 flights)
  • Wed88%(59 flights)
  • Thu88%(60 flights)
  • Fri86%(59 flights)
  • Sat85%(61 flights)
  • Sun89%(61 flights)
On-time by departure window
  • 6–9 AM87%(311 flights)
  • 9 AM–12 PM86%(90 flights)
  • 9 PM–12 AM69%(16 flights)
On-time trend by month
94%
May

Jun 77% → May 94% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202577%30
July 202566%29
August 202581%31
September 202587%30
October 202587%30
November 202587%60
December 202578%32
January 202690%31
February 202696%28
March 202689%55
April 202693%30
May 202694%31
Departures on time
90%
Diverted
0%
Flights flown
417
Months covered
12

Keep nerding

Based on 420 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.