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WanderNerd

Flight Reliability

UA 4497 · United Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and UA 4497 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

66%
Arrive within 15 minutes
23 min
Average arrival delay
4.8%
Cancelled
4 min
Median arrival delay

Based on 292 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon53%(38 flights)
  • Tue76%(41 flights)
  • Wed69%(39 flights)
  • Thu69%(39 flights)
  • Fri66%(38 flights)
  • Sat65%(46 flights)
  • Sun60%(37 flights)
On-time by departure window
  • 6–9 AM100%(10 flights)
  • 9 AM–12 PM(6 flights)
  • 12–3 PM73%(77 flights)
  • 3–6 PM63%(168 flights)
  • 6–9 PM59%(17 flights)
On-time trend by month
73%
May

Aug 75% → May 73% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
August 202575%16
September 202587%30
October 202568%31
November 202561%23
December 202567%27
January 202657%30
February 202639%28
March 202655%29
April 202680%30
May 202673%30
Departures on time
76%
Diverted
0%
Flights flown
278
Months covered
11

Based on 292 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.