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Flight Reliability

UA 5453 · United Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and UA 5453 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

87%
Arrive within 15 minutes
1 min
Average arrival delay
2.0%
Cancelled
10 min early
Median arrival delay

Based on 342 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon81%(48 flights)
  • Tue90%(50 flights)
  • Wed92%(50 flights)
  • Thu92%(48 flights)
  • Fri88%(48 flights)
  • Sat82%(39 flights)
  • Sun84%(50 flights)
On-time by departure window
  • 3–6 AM89%(203 flights)
  • 6–9 AM92%(13 flights)
  • 9 AM–12 PM95%(19 flights)
  • 12–3 PM86%(77 flights)
  • 6–9 PM62%(21 flights)
On-time trend by month
71%
May

Jun 83% → May 71% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202583%29
July 202593%29
August 202594%31
September 202596%26
October 202591%22
November 202574%27
December 202587%30
January 202688%24
February 202681%26
March 202690%30
April 2026100%28
May 202671%31
Departures on time
89%
Diverted
0.6%
Flights flown
333
Months covered
12

Keep nerding

Based on 342 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.