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Flight Reliability

UA 1687 · United Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and UA 1687 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

88%
Arrive within 15 minutes
1 min
Average arrival delay
0.3%
Cancelled
8 min early
Median arrival delay

Based on 659 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon84%(96 flights)
  • Tue92%(77 flights)
  • Wed86%(88 flights)
  • Thu90%(97 flights)
  • Fri84%(97 flights)
  • Sat88%(97 flights)
  • Sun91%(101 flights)
On-time by departure window
  • 3–6 AM98%(203 flights)
  • 6–9 AM100%(25 flights)
  • 9 AM–12 PM80%(40 flights)
  • 12–3 PM86%(340 flights)
  • 6–9 PM60%(45 flights)
On-time trend by month
79%
May

Jun 85% → May 79% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202585%58
July 202584%61
August 202588%48
September 202593%59
October 202595%62
November 202592%60
December 202595%62
January 202696%51
February 202690%31
March 202681%31
April 202676%54
May 202679%76
Departures on time
88%
Diverted
0.6%
Flights flown
653
Months covered
12

Keep nerding

Based on 659 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.