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Flight Reliability

UA 2359 · United Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and UA 2359 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

84%
Arrive within 15 minutes
1 min
Average arrival delay
0.7%
Cancelled
12 min early
Median arrival delay

Based on 412 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon82%(56 flights)
  • Tue81%(57 flights)
  • Wed95%(56 flights)
  • Thu79%(58 flights)
  • Fri82%(60 flights)
  • Sat85%(59 flights)
  • Sun86%(63 flights)
On-time by departure window
  • 6–9 AM97%(115 flights)
  • 9 AM–12 PM83%(80 flights)
  • 12–3 PM88%(34 flights)
  • 3–6 PM73%(128 flights)
  • 6–9 PM83%(52 flights)
On-time trend by month
100%
May

Jun 91% → May 100% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202591%45
July 202552%31
August 202588%49
September 202587%30
October 202590%31
November 202582%27
December 202574%31
January 202690%31
February 202675%28
March 202678%46
April 2026100%30
May 2026100%30
Departures on time
85%
Diverted
0%
Flights flown
409
Months covered
12

Keep nerding

Based on 412 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.