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Flight Reliability

UA 1986 · United Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and UA 1986 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

81%
Arrive within 15 minutes
7 min
Average arrival delay
1.0%
Cancelled
6 min early
Median arrival delay

Based on 522 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon83%(80 flights)
  • Tue81%(69 flights)
  • Wed83%(69 flights)
  • Thu82%(76 flights)
  • Fri81%(78 flights)
  • Sat81%(68 flights)
  • Sun81%(77 flights)
On-time by departure window
  • 6–9 AM87%(132 flights)
  • 9 AM–12 PM87%(200 flights)
  • 12–3 PM72%(53 flights)
  • 3–6 PM70%(23 flights)
  • 6–9 PM59%(51 flights)
  • 9 PM–12 AM83%(58 flights)
On-time trend by month
85%
May

Jun 85% → May 85% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202585%60
July 202594%62
August 202579%72
September 202589%54
October 202594%31
November 202583%30
December 202550%42
January 202659%22
February 202683%35
March 202676%33
April 202687%30
May 202685%46
Departures on time
85%
Diverted
0%
Flights flown
517
Months covered
12

Based on 522 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.