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Flight Reliability

UA 336 · United Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and UA 336 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
2 min
Average arrival delay
0.5%
Cancelled
6 min early
Median arrival delay

Based on 593 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon81%(84 flights)
  • Tue76%(83 flights)
  • Wed87%(91 flights)
  • Thu83%(84 flights)
  • Fri82%(84 flights)
  • Sat82%(79 flights)
  • Sun72%(83 flights)
On-time by departure window
  • 6–9 AM78%(230 flights)
  • 9 AM–12 PM83%(307 flights)
  • 3–6 PM—(5 flights)
  • 9 PM–12 AM83%(46 flights)
On-time trend by month
60%
May

Jun 83% → May 60% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202583%59
July 202563%57
August 202584%31
September 202583%53
October 202595%37
November 202583%59
December 202590%48
January 202693%56
February 202684%56
March 202680%51
April 202669%39
May 202660%42
Departures on time
82%
Diverted
0.3%
Flights flown
588
Months covered
12

Keep nerding

Based on 593 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.