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Flight Reliability

UA 791 · United Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and UA 791 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

92%
Arrive within 15 minutes
7 min early
Average arrival delay
0.5%
Cancelled
10 min early
Median arrival delay

Based on 385 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon95%(55 flights)
  • Tue93%(54 flights)
  • Wed91%(53 flights)
  • Thu96%(54 flights)
  • Fri91%(54 flights)
  • Sat93%(55 flights)
  • Sun88%(56 flights)
On-time by departure window
  • 6–9 AM95%(249 flights)
  • 9 AM–12 PM87%(121 flights)
  • 3–6 PM82%(11 flights)
On-time trend by month
83%
May

Jun 73% → May 83% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202573%30
July 202594%31
August 202587%31
September 202597%29
October 202597%31
November 202597%30
December 202597%30
January 202694%31
February 2026100%43
March 202686%35
April 2026100%30
May 202683%30
Departures on time
94%
Diverted
0.5%
Flights flown
381
Months covered
12

Keep nerding

Based on 385 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.