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Flight Reliability

UA 3718 · United Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and UA 3718 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

88%
Arrive within 15 minutes
3 min early
Average arrival delay
3.1%
Cancelled
12 min early
Median arrival delay

Based on 318 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon87%(45 flights)
  • Tue85%(46 flights)
  • Wed90%(38 flights)
  • Thu87%(46 flights)
  • Fri94%(48 flights)
  • Sat90%(39 flights)
  • Sun87%(46 flights)
On-time by departure window
  • 6–9 AM87%(241 flights)
  • 9 AM–12 PM92%(38 flights)
  • 12–3 PM100%(23 flights)
  • 3–6 PM(4 flights)
  • 6–9 PM(2 flights)
On-time trend by month
97%
May

Jul 86% → May 97% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
July 202586%22
August 202595%20
September 202597%30
October 202594%31
November 202587%30
December 202576%29
January 202679%28
February 202680%25
March 202693%28
April 202687%30
May 202697%31
Departures on time
93%
Diverted
0%
Flights flown
308
Months covered
12

Based on 318 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.