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Flight Reliability

UA 4801 · United Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and UA 4801 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

82%
Arrive within 15 minutes
4 min
Average arrival delay
0.3%
Cancelled
6 min early
Median arrival delay

Based on 348 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon88%(49 flights)
  • Tue86%(49 flights)
  • Wed76%(49 flights)
  • Thu81%(48 flights)
  • Fri76%(50 flights)
  • Sat88%(51 flights)
  • Sun78%(50 flights)
On-time by departure window
  • 6–9 AM92%(12 flights)
  • 9 AM–12 PM89%(85 flights)
  • 12–3 PM—(9 flights)
  • 3–6 PM79%(225 flights)
  • 6–9 PM80%(15 flights)
On-time trend by month
86%
May

Jun 63% → May 86% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202563%30
July 202555%31
August 202571%31
September 202579%28
October 202590%29
November 2025100%28
December 202582%28
January 202690%30
February 202689%28
March 202687%31
April 202693%30
May 202686%22
Departures on time
86%
Diverted
0.3%
Flights flown
346
Months covered
12

Keep nerding

Based on 348 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.