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Flight Reliability

UA 498 · United Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and UA 498 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

75%
Arrive within 15 minutes
13 min
Average arrival delay
0.8%
Cancelled
1 min
Median arrival delay

Based on 592 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon77%(83 flights)
  • Tue78%(82 flights)
  • Wed74%(80 flights)
  • Thu71%(85 flights)
  • Fri75%(85 flights)
  • Sat76%(86 flights)
  • Sun76%(86 flights)
On-time by departure window
  • 12–3 PM—(1 flights)
  • 3–6 PM70%(171 flights)
  • 6–9 PM77%(363 flights)
  • 9 PM–12 AM79%(52 flights)
On-time trend by month
85%
May

Jun 55% → May 85% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202555%40
July 202557%90
August 202570%79
September 202578%60
October 202580%56
November 202583%30
December 202578%45
January 202681%36
February 202689%28
March 202681%31
April 202697%31
May 202685%61
Departures on time
76%
Diverted
0%
Flights flown
587
Months covered
12

Keep nerding

Based on 592 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.