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WanderNerd

Flight Reliability

UA 6191 · United Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and UA 6191 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
9 min early
Average arrival delay
0.8%
Cancelled
17 min early
Median arrival delay

Based on 238 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon85%(34 flights)
  • Tue87%(39 flights)
  • Wed94%(34 flights)
  • Thu100%(33 flights)
  • Fri97%(34 flights)
  • Sat96%(26 flights)
  • Sun89%(36 flights)
On-time by departure window
  • 6–9 AM93%(142 flights)
  • 9 AM–12 PM92%(74 flights)
  • 3–6 PM(4 flights)
  • 6–9 PM88%(16 flights)
On-time trend by month
86%
May

Jun 86% → May 86% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202586%28
July 202590%31
August 202597%31
September 2025100%29
October 202591%22
December 202583%12
February 2026100%17
April 202693%30
May 202686%22
Departures on time
91%
Diverted
0%
Flights flown
236
Months covered
12

Based on 238 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.