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WanderNerd

Flight Reliability

UA 4615 · United Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and UA 4615 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

71%
Arrive within 15 minutes
28 min
Average arrival delay
6.5%
Cancelled
1 min early
Median arrival delay

Based on 232 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon81%(31 flights)
  • Tue83%(30 flights)
  • Wed58%(31 flights)
  • Thu58%(31 flights)
  • Fri81%(36 flights)
  • Sat70%(27 flights)
  • Sun68%(31 flights)
On-time by departure window
  • 6–9 AM67%(18 flights)
  • 9 AM–12 PM76%(29 flights)
  • 12–3 PM77%(13 flights)
  • 3–6 PM(1 flights)
  • 6–9 PM71%(122 flights)
  • 9 PM–12 AM74%(34 flights)
On-time trend by month
73%
May

Jul 57% → May 73% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
July 202557%23
August 202567%30
September 202579%29
October 202583%30
November 202572%25
December 202564%14
April 202680%25
May 202673%30
Departures on time
75%
Diverted
0%
Flights flown
217
Months covered
10

Based on 232 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.