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Flight Reliability

UA 4406 · United Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and UA 4406 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
12 min
Average arrival delay
2.5%
Cancelled
7 min early
Median arrival delay

Based on 357 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon79%(48 flights)
  • Tue80%(50 flights)
  • Wed76%(49 flights)
  • Thu80%(51 flights)
  • Fri64%(50 flights)
  • Sat80%(51 flights)
  • Sun69%(49 flights)
On-time by departure window
  • 6–9 AM86%(56 flights)
  • 9 AM–12 PM77%(241 flights)
  • 12–3 PM—(9 flights)
  • 3–6 PM73%(11 flights)
  • 9 PM–12 AM48%(31 flights)
On-time trend by month
73%
May

Jun 77% → May 73% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202577%30
July 202581%31
August 202587%30
September 202590%30
October 202548%31
November 202570%27
December 202567%30
January 202670%30
February 202673%26
March 202682%27
April 202690%30
May 202673%26
Departures on time
77%
Diverted
0%
Flights flown
348
Months covered
12

Keep nerding

Based on 357 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.