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Flight Reliability

UA 2291 · United Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and UA 2291 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

83%
Arrive within 15 minutes
1 min
Average arrival delay
0.2%
Cancelled
9 min early
Median arrival delay

Based on 450 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon79%(67 flights)
  • Tue82%(62 flights)
  • Wed82%(60 flights)
  • Thu89%(66 flights)
  • Fri85%(66 flights)
  • Sat82%(62 flights)
  • Sun82%(66 flights)
On-time by departure window
  • 6–9 AM94%(17 flights)
  • 9 AM–12 PM84%(169 flights)
  • 12–3 PM91%(58 flights)
  • 3–6 PM75%(120 flights)
  • 6–9 PM70%(20 flights)
  • 9 PM–12 AM89%(65 flights)
On-time trend by month
90%
May

Jun 86% → May 90% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202586%72
July 202584%31
August 202587%31
September 202580%30
October 202571%31
November 202582%17
December 202583%30
January 202684%56
February 202684%56
March 202669%35
April 202693%30
May 202690%30
Departures on time
86%
Diverted
0%
Flights flown
449
Months covered
12

Keep nerding

Based on 450 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.