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Flight Reliability

UA 3502 · United Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and UA 3502 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

84%
Arrive within 15 minutes
6 min
Average arrival delay
6.5%
Cancelled
9 min early
Median arrival delay

Based on 372 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon80%(49 flights)
  • Tue84%(49 flights)
  • Wed83%(48 flights)
  • Thu92%(52 flights)
  • Fri87%(52 flights)
  • Sat83%(48 flights)
  • Sun78%(49 flights)
On-time by departure window
  • 6–9 AM93%(45 flights)
  • 9 AM–12 PM78%(32 flights)
  • 12–3 PM78%(46 flights)
  • 3–6 PM83%(108 flights)
  • 6–9 PM79%(43 flights)
  • 9 PM–12 AM88%(73 flights)
On-time trend by month
94%
May

Jun 100% → May 94% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 2025100%16
July 202576%21
August 202577%30
September 202575%28
October 202577%31
November 202589%28
December 202579%29
January 202682%28
February 202689%26
March 202677%31
April 202690%31
May 202694%48
Departures on time
85%
Diverted
0.3%
Flights flown
347
Months covered
12

Keep nerding

Based on 372 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.