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Flight Reliability

UA 3656 · United Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and UA 3656 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
6 min early
Average arrival delay
3.6%
Cancelled
15 min early
Median arrival delay

Based on 358 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon86%(57 flights)
  • Tue92%(37 flights)
  • Wed93%(42 flights)
  • Thu88%(49 flights)
  • Fri86%(58 flights)
  • Sat93%(44 flights)
  • Sun83%(58 flights)
On-time by departure window
  • 6–9 AM92%(249 flights)
  • 12–3 PM75%(32 flights)
  • 3–6 PM64%(28 flights)
  • 6–9 PM92%(36 flights)
On-time trend by month
94%
May

Jun 94% → May 94% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202594%18
July 202562%26
August 202594%36
September 202586%28
October 202594%31
November 2025100%24
December 202587%30
January 202693%28
February 202691%23
March 202664%28
April 202696%26
May 202694%47
Departures on time
91%
Diverted
0%
Flights flown
345
Months covered
12

Keep nerding

Based on 358 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.