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Flight Reliability

UA 4481 · United Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and UA 4481 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

74%
Arrive within 15 minutes
12 min
Average arrival delay
1.5%
Cancelled
8 min early
Median arrival delay

Based on 269 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon68%(40 flights)
  • Tue89%(36 flights)
  • Wed77%(34 flights)
  • Thu62%(37 flights)
  • Fri81%(37 flights)
  • Sat77%(39 flights)
  • Sun63%(41 flights)
On-time by departure window
  • 6–9 AM85%(66 flights)
  • 9 AM–12 PM—(2 flights)
  • 12–3 PM77%(115 flights)
  • 3–6 PM67%(60 flights)
  • 6–9 PM43%(21 flights)
On-time trend by month
59%
May

Jun 73% → May 59% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202573%15
July 202583%29
August 202577%30
October 202572%25
December 202555%11
January 202659%29
February 202678%27
March 202681%31
April 202690%30
May 202659%29
Departures on time
77%
Diverted
0.4%
Flights flown
264
Months covered
11

Keep nerding

Based on 269 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.