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Flight Reliability

UA 1681 · United Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and UA 1681 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

77%
Arrive within 15 minutes
6 min
Average arrival delay
0.3%
Cancelled
8 min early
Median arrival delay

Based on 391 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon79%(57 flights)
  • Tue81%(57 flights)
  • Wed79%(57 flights)
  • Thu85%(58 flights)
  • Fri73%(56 flights)
  • Sat81%(48 flights)
  • Sun61%(57 flights)
On-time by departure window
  • 6–9 AM90%(92 flights)
  • 9 AM–12 PM75%(73 flights)
  • 12–3 PM74%(90 flights)
  • 3–6 PM60%(40 flights)
  • 6–9 PM55%(31 flights)
  • 9 PM–12 AM84%(64 flights)
On-time trend by month
87%
May

Jun 61% → May 87% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202561%31
July 202568%56
August 202584%31
September 202577%30
October 202597%31
November 202580%30
December 202565%31
January 202660%30
February 202679%28
March 202694%31
April 202680%30
May 202687%31
Departures on time
77%
Diverted
0%
Flights flown
390
Months covered
12

Keep nerding

Based on 391 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.