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Flight Reliability

UA 5335 · United Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and UA 5335 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

79%
Arrive within 15 minutes
13 min
Average arrival delay
1.4%
Cancelled
8 min early
Median arrival delay

Based on 351 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon73%(51 flights)
  • Tue84%(51 flights)
  • Wed81%(47 flights)
  • Thu82%(50 flights)
  • Fri80%(50 flights)
  • Sat86%(44 flights)
  • Sun67%(51 flights)
On-time by departure window
  • 6–9 AM—(3 flights)
  • 9 AM–12 PM93%(40 flights)
  • 12–3 PM77%(26 flights)
  • 3–6 PM76%(227 flights)
  • 6–9 PM83%(48 flights)
On-time trend by month
77%
May

Jun 54% → May 77% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202554%28
July 202571%31
August 202583%29
September 202567%30
October 202590%30
November 202589%27
December 202581%26
January 202679%29
February 202682%27
March 202676%29
April 2026100%28
May 202677%30
Departures on time
82%
Diverted
0.6%
Flights flown
344
Months covered
12

Keep nerding

Based on 351 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.