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Flight Reliability

UA 4718 · United Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and UA 4718 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

74%
Arrive within 15 minutes
15 min
Average arrival delay
2.1%
Cancelled
3 min early
Median arrival delay

Based on 332 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon75%(47 flights)
  • Tue87%(45 flights)
  • Wed83%(46 flights)
  • Thu57%(49 flights)
  • Fri70%(50 flights)
  • Sat77%(43 flights)
  • Sun69%(45 flights)
On-time by departure window
  • 6–9 AM86%(22 flights)
  • 9 AM–12 PM81%(70 flights)
  • 12–3 PM80%(64 flights)
  • 3–6 PM70%(110 flights)
  • 6–9 PM59%(59 flights)
On-time trend by month
71%
May

Jun 80% → May 71% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202580%30
July 202579%19
August 202585%26
September 202583%30
October 202574%31
November 202583%23
December 202587%31
January 202677%22
February 202661%28
March 202639%26
April 202664%28
May 202671%31
Departures on time
81%
Diverted
0%
Flights flown
325
Months covered
12

Keep nerding

Based on 332 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.