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Flight Reliability

UA 4470 · United Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and UA 4470 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

66%
Arrive within 15 minutes
23 min
Average arrival delay
3.9%
Cancelled
5 min early
Median arrival delay

Based on 363 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon63%(49 flights)
  • Tue64%(50 flights)
  • Wed65%(52 flights)
  • Thu73%(48 flights)
  • Fri62%(50 flights)
  • Sat68%(50 flights)
  • Sun64%(50 flights)
On-time by departure window
  • 6–9 AM69%(16 flights)
  • 9 AM–12 PM85%(147 flights)
  • 12–3 PM70%(60 flights)
  • 3–6 PM40%(92 flights)
  • 6–9 PM41%(34 flights)
On-time trend by month
39%
May

Jun 87% → May 39% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202587%30
July 202574%31
August 202587%31
September 202583%30
October 202594%31
November 202582%27
December 202560%30
January 202644%27
February 202650%28
March 202648%25
April 202632%28
May 202639%31
Departures on time
73%
Diverted
0%
Flights flown
349
Months covered
12

Keep nerding

Based on 363 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.