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Flight Reliability

UA 5353 · United Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and UA 5353 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

72%
Arrive within 15 minutes
18 min
Average arrival delay
3.4%
Cancelled
2 min
Median arrival delay

Based on 355 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon75%(48 flights)
  • Tue71%(49 flights)
  • Wed83%(48 flights)
  • Thu63%(49 flights)
  • Fri65%(49 flights)
  • Sat70%(47 flights)
  • Sun75%(51 flights)
On-time by departure window
  • 6–9 AM69%(148 flights)
  • 9 AM–12 PM73%(64 flights)
  • 3–6 PM75%(113 flights)
  • 6–9 PM69%(16 flights)
On-time trend by month
62%
May

Jun 83% → May 62% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202583%30
July 202577%30
August 202581%31
September 202573%30
October 202590%29
November 202568%25
December 202556%27
January 202675%28
February 202670%27
March 202643%30
April 202682%28
May 202662%26
Departures on time
82%
Diverted
0.6%
Flights flown
341
Months covered
12

Keep nerding

Based on 355 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.