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Flight Reliability

UA 2435 · United Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and UA 2435 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

80%
Arrive within 15 minutes
6 min
Average arrival delay
0.4%
Cancelled
8 min early
Median arrival delay

Based on 812 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon81%(116 flights)
  • Tue90%(114 flights)
  • Wed83%(114 flights)
  • Thu83%(116 flights)
  • Fri74%(116 flights)
  • Sat78%(116 flights)
  • Sun70%(115 flights)
On-time by departure window
  • 6–9 AM81%(21 flights)
  • 12–3 PM83%(326 flights)
  • 3–6 PM78%(168 flights)
  • 6–9 PM76%(179 flights)
  • 9 PM–12 AM79%(113 flights)
On-time trend by month
91%
May

Jun 69% → May 91% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202569%85
July 202552%62
August 202582%62
September 202589%66
October 202579%87
November 202585%59
December 202583%46
January 202678%59
February 202680%73
March 202682%66
April 202689%61
May 202691%81
Departures on time
81%
Diverted
0.2%
Flights flown
807
Months covered
12

Keep nerding

Based on 812 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.