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Flight Reliability

UA 4502 · United Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and UA 4502 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

70%
Arrive within 15 minutes
14 min
Average arrival delay
2.3%
Cancelled
2 min early
Median arrival delay

Based on 309 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon69%(45 flights)
  • Tue64%(42 flights)
  • Wed81%(41 flights)
  • Thu80%(44 flights)
  • Fri63%(43 flights)
  • Sat68%(41 flights)
  • Sun69%(45 flights)
On-time by departure window
  • 6–9 AM70%(46 flights)
  • 9 AM–12 PM73%(199 flights)
  • 12–3 PM75%(24 flights)
  • 3–6 PM50%(24 flights)
  • 6–9 PM—(8 flights)
On-time trend by month
81%
May

Jun 62% → May 81% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202562%13
July 202568%31
August 2025100%19
October 202589%27
November 202582%27
December 202560%30
January 202671%28
February 202671%28
March 202648%31
April 202647%30
May 202681%31
Departures on time
77%
Diverted
0.3%
Flights flown
301
Months covered
12

Keep nerding

Based on 309 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.