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WanderNerd

Flight Reliability

UA 5733 · United Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and UA 5733 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
13 min
Average arrival delay
3.6%
Cancelled
1 min early
Median arrival delay

Based on 307 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon64%(42 flights)
  • Tue76%(42 flights)
  • Wed73%(45 flights)
  • Thu71%(42 flights)
  • Fri74%(42 flights)
  • Sat82%(38 flights)
  • Sun67%(42 flights)
On-time by departure window
  • 6–9 AM71%(59 flights)
  • 9 AM–12 PM73%(234 flights)
On-time trend by month
69%
May

Jun 77% → May 69% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202577%30
July 202577%31
August 202572%29
October 202573%30
November 202578%23
December 202556%16
January 202672%25
February 202664%28
March 202679%29
April 202669%29
May 202669%16
Departures on time
81%
Diverted
1.0%
Flights flown
293
Months covered
12

Based on 307 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.