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Flight Reliability

UA 4443 · United Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and UA 4443 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

56%
Arrive within 15 minutes
43 min
Average arrival delay
8.3%
Cancelled
7 min
Median arrival delay

Based on 349 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon52%(48 flights)
  • Tue66%(47 flights)
  • Wed50%(46 flights)
  • Thu55%(42 flights)
  • Fri54%(46 flights)
  • Sat53%(45 flights)
  • Sun61%(46 flights)
On-time by departure window
  • 9 AM–12 PM—(5 flights)
  • 12–3 PM70%(86 flights)
  • 3–6 PM47%(186 flights)
  • 6–9 PM63%(43 flights)
On-time trend by month
87%
May

Jun 44% → May 87% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202544%25
July 202539%23
August 202550%28
September 202559%29
October 202553%30
November 202545%20
December 202563%19
January 202666%29
February 202670%27
March 202645%29
April 202643%30
May 202687%31
Departures on time
61%
Diverted
0%
Flights flown
320
Months covered
12

Keep nerding

Based on 349 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.