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Flight Reliability

UA 2323 · United Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and UA 2323 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

86%
Arrive within 15 minutes
1 min early
Average arrival delay
0.5%
Cancelled
10 min early
Median arrival delay

Based on 410 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon86%(58 flights)
  • Tue92%(59 flights)
  • Wed91%(58 flights)
  • Thu93%(59 flights)
  • Fri85%(59 flights)
  • Sat76%(55 flights)
  • Sun76%(59 flights)
On-time by departure window
  • 6–9 AM90%(110 flights)
  • 9 AM–12 PM85%(194 flights)
  • 12–3 PM84%(31 flights)
  • 3–6 PM85%(61 flights)
  • 6–9 PM73%(11 flights)
On-time trend by month
80%
May

Jun 97% → May 80% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202597%30
July 202584%31
August 202591%43
September 202589%53
October 202590%31
November 202583%30
December 202574%31
January 202677%31
February 2026100%28
March 202677%30
April 202686%29
May 202680%40
Departures on time
88%
Diverted
0.2%
Flights flown
407
Months covered
12

Keep nerding

Based on 410 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.