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WanderNerd

Flight Reliability

UA 497 · United Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and UA 497 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

79%
Arrive within 15 minutes
4 min
Average arrival delay
0.5%
Cancelled
7 min early
Median arrival delay

Based on 561 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon87%(78 flights)
  • Tue83%(69 flights)
  • Wed76%(80 flights)
  • Thu78%(85 flights)
  • Fri82%(85 flights)
  • Sat69%(73 flights)
  • Sun78%(85 flights)
On-time by departure window
  • 6–9 AM81%(204 flights)
  • 9 AM–12 PM78%(37 flights)
  • 12–3 PM82%(164 flights)
  • 6–9 PM77%(140 flights)
  • 9 PM–12 AM10%(10 flights)
On-time trend by month
76%
May

Jun 40% → May 76% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202540%30
July 202556%27
August 202580%35
September 202583%53
October 202571%31
November 202583%30
December 202587%31
January 202687%54
February 202694%50
March 202684%79
April 202681%57
May 202676%78
Departures on time
83%
Diverted
0.5%
Flights flown
555
Months covered
12

Based on 561 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.