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Flight Reliability

UA 800 · United Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and UA 800 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

73%
Arrive within 15 minutes
10 min
Average arrival delay
1.1%
Cancelled
4 min early
Median arrival delay

Based on 368 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon81%(53 flights)
  • Tue74%(50 flights)
  • Wed75%(56 flights)
  • Thu60%(53 flights)
  • Fri70%(54 flights)
  • Sat79%(43 flights)
  • Sun75%(55 flights)
On-time by departure window
  • 6–9 AM96%(23 flights)
  • 9 AM–12 PM68%(94 flights)
  • 3–6 PM73%(247 flights)
On-time trend by month
71%
May

Jun 86% → May 71% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202586%29
July 202548%31
August 202568%31
September 202574%53
October 202557%30
November 202579%24
December 202576%29
January 202681%21
February 202688%24
March 202681%31
April 202680%30
May 202671%31
Departures on time
79%
Diverted
0%
Flights flown
364
Months covered
12

Keep nerding

Based on 368 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.