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Flight Reliability

UA 4404 · United Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and UA 4404 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

70%
Arrive within 15 minutes
25 min
Average arrival delay
2.1%
Cancelled
5 min early
Median arrival delay

Based on 378 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon66%(55 flights)
  • Tue67%(52 flights)
  • Wed72%(53 flights)
  • Thu76%(54 flights)
  • Fri63%(57 flights)
  • Sat72%(47 flights)
  • Sun75%(51 flights)
On-time by departure window
  • 6–9 AM—(2 flights)
  • 9 AM–12 PM82%(17 flights)
  • 12–3 PM74%(263 flights)
  • 3–6 PM54%(80 flights)
  • 6–9 PM—(7 flights)
On-time trend by month
79%
May

Jun 77% → May 79% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202577%30
July 202561%31
August 202580%30
September 202578%27
October 202574%31
November 202550%26
December 202559%29
January 202675%28
February 202695%21
March 202658%45
April 202662%29
May 202679%42
Departures on time
71%
Diverted
0.3%
Flights flown
369
Months covered
12

Keep nerding

Based on 378 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.