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Flight Reliability

UA 4656 · United Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and UA 4656 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

76%
Arrive within 15 minutes
10 min
Average arrival delay
2.0%
Cancelled
3 min early
Median arrival delay

Based on 297 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon70%(40 flights)
  • Tue80%(39 flights)
  • Wed87%(39 flights)
  • Thu72%(39 flights)
  • Fri78%(37 flights)
  • Sat72%(47 flights)
  • Sun73%(48 flights)
On-time by departure window
  • 6–9 AM82%(114 flights)
  • 9 AM–12 PM75%(122 flights)
  • 12–3 PM100%(19 flights)
  • 3–6 PM—(2 flights)
  • 6–9 PM47%(32 flights)
On-time trend by month
68%
May

Jun 87% → May 68% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202587%30
July 202569%29
August 202560%30
September 202586%29
October 202590%31
November 202582%28
December 202535%17
February 202667%21
March 202697%31
May 202668%31
Departures on time
81%
Diverted
0.7%
Flights flown
289
Months covered
12

Keep nerding

Based on 297 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.