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Flight Reliability

UA 2329 · United Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and UA 2329 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

81%
Arrive within 15 minutes
9 min
Average arrival delay
1.2%
Cancelled
3 min early
Median arrival delay

Based on 914 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon84%(135 flights)
  • Tue79%(130 flights)
  • Wed80%(129 flights)
  • Thu86%(130 flights)
  • Fri76%(137 flights)
  • Sat85%(109 flights)
  • Sun79%(129 flights)
On-time by departure window
  • 3–6 AM92%(249 flights)
  • 6–9 AM79%(33 flights)
  • 9 AM–12 PM82%(360 flights)
  • 12–3 PM74%(188 flights)
  • 3–6 PM58%(69 flights)
On-time trend by month
85%
May

Jun 88% → May 85% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202588%58
July 202557%63
August 202578%76
September 202584%90
October 202590%87
November 202591%58
December 202579%61
January 202684%87
February 202689%78
March 202681%67
April 202666%85
May 202685%89
Departures on time
84%
Diverted
0.4%
Flights flown
899
Months covered
12

Keep nerding

Based on 914 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.