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Flight Reliability

UA 3655 · United Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and UA 3655 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

85%
Arrive within 15 minutes
1 min early
Average arrival delay
1.7%
Cancelled
11 min early
Median arrival delay

Based on 290 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon94%(36 flights)
  • Tue80%(40 flights)
  • Wed88%(40 flights)
  • Thu90%(38 flights)
  • Fri79%(48 flights)
  • Sat83%(40 flights)
  • Sun81%(43 flights)
On-time by departure window
  • 9 AM–12 PM65%(20 flights)
  • 12–3 PM90%(153 flights)
  • 3–6 PM78%(76 flights)
  • 6–9 PM86%(36 flights)
On-time trend by month
90%
May

Jun 77% → May 90% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202577%26
July 202577%31
August 202593%28
September 2025100%26
October 202592%50
December 202575%12
January 202667%15
February 202690%19
March 202663%19
April 202682%28
May 202690%31
Departures on time
89%
Diverted
0%
Flights flown
285
Months covered
11

Keep nerding

Based on 290 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.