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Flight Reliability

UA 4463 · United Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and UA 4463 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

62%
Arrive within 15 minutes
26 min
Average arrival delay
4.5%
Cancelled
2 min
Median arrival delay

Based on 352 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon62%(45 flights)
  • Tue63%(49 flights)
  • Wed59%(49 flights)
  • Thu61%(49 flights)
  • Fri54%(48 flights)
  • Sat69%(48 flights)
  • Sun65%(48 flights)
On-time by departure window
  • 6–9 AM—(5 flights)
  • 12–3 PM—(7 flights)
  • 3–6 PM59%(152 flights)
  • 6–9 PM64%(172 flights)
On-time trend by month
65%
May

Jun 70% → May 65% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202570%30
July 202555%31
August 202574%27
September 202577%30
October 202565%37
November 202575%24
December 202557%14
January 202648%29
February 202658%26
March 202645%29
April 202654%28
May 202665%31
Departures on time
68%
Diverted
0%
Flights flown
336
Months covered
12

Keep nerding

Based on 352 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.