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Flight Reliability

UA 406 · United Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and UA 406 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

83%
Arrive within 15 minutes
2 min
Average arrival delay
0.8%
Cancelled
9 min early
Median arrival delay

Based on 760 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon80%(111 flights)
  • Tue85%(103 flights)
  • Wed82%(105 flights)
  • Thu79%(111 flights)
  • Fri85%(114 flights)
  • Sat85%(100 flights)
  • Sun83%(109 flights)
On-time by departure window
  • 3–6 PM79%(106 flights)
  • 6–9 PM82%(148 flights)
  • 9 PM–12 AM84%(499 flights)
On-time trend by month
76%
May

Jun 79% → May 76% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202579%48
July 202587%61
August 202592%65
September 202588%85
October 202589%82
November 202578%58
December 202554%59
January 202683%66
February 202690%52
March 202689%79
April 202677%43
May 202676%55
Departures on time
81%
Diverted
0.1%
Flights flown
753
Months covered
12

Keep nerding

Based on 760 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.