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Flight Reliability

UA 335 · United Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and UA 335 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

83%
Arrive within 15 minutes
4 min
Average arrival delay
0.8%
Cancelled
10 min early
Median arrival delay

Based on 477 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon79%(71 flights)
  • Tue81%(70 flights)
  • Wed83%(65 flights)
  • Thu81%(69 flights)
  • Fri84%(64 flights)
  • Sat83%(63 flights)
  • Sun86%(71 flights)
On-time by departure window
  • 3–6 AM—(7 flights)
  • 6–9 AM94%(222 flights)
  • 9 AM–12 PM86%(91 flights)
  • 12–3 PM63%(19 flights)
  • 3–6 PM59%(53 flights)
  • 6–9 PM66%(67 flights)
  • 9 PM–12 AM71%(14 flights)
On-time trend by month
86%
May

Jun 74% → May 86% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202574%34
July 202563%59
August 202564%45
September 202573%30
October 202597%30
November 202589%27
December 202587%31
January 202690%31
February 202698%45
March 202695%38
April 202687%52
May 202686%51
Departures on time
82%
Diverted
0%
Flights flown
473
Months covered
12

Keep nerding

Based on 477 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.