Skip to content
WanderNerd
Check a flight

Flight Reliability

UA 5660 · United Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and UA 5660 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
9 min
Average arrival delay
0.3%
Cancelled
9 min early
Median arrival delay

Based on 330 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon74%(50 flights)
  • Tue85%(47 flights)
  • Wed88%(49 flights)
  • Thu74%(46 flights)
  • Fri82%(45 flights)
  • Sat76%(46 flights)
  • Sun83%(46 flights)
On-time by departure window
  • 9 AM–12 PM78%(177 flights)
  • 3–6 PM65%(37 flights)
  • 6–9 PM89%(115 flights)
On-time trend by month
61%
May

Jun 93% → May 61% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202593%30
July 202583%30
August 202584%31
September 202596%24
October 202585%26
November 202587%30
December 202561%28
January 202693%30
February 202674%27
March 202679%29
April 202658%26
May 202661%18
Departures on time
84%
Diverted
0%
Flights flown
329
Months covered
12

Keep nerding

Based on 330 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.