Skip to content
WanderNerd

Flight Reliability

UA 5433 · United Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and UA 5433 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

80%
Arrive within 15 minutes
12 min
Average arrival delay
1.9%
Cancelled
6 min early
Median arrival delay

Based on 312 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon80%(45 flights)
  • Tue78%(46 flights)
  • Wed94%(47 flights)
  • Thu77%(47 flights)
  • Fri77%(43 flights)
  • Sat85%(33 flights)
  • Sun71%(45 flights)
On-time by departure window
  • 6–9 AM84%(135 flights)
  • 9 AM–12 PM82%(87 flights)
  • 12–3 PM57%(14 flights)
  • 3–6 PM(8 flights)
  • 6–9 PM74%(62 flights)
On-time trend by month
93%
May

Jul 75% → May 93% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
July 202575%24
August 202567%24
September 202583%29
October 202593%30
November 202585%20
December 202557%30
January 202683%30
February 202682%28
March 202687%31
April 202677%30
May 202693%28
Departures on time
81%
Diverted
0%
Flights flown
306
Months covered
12

Based on 312 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.