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Flight Reliability

UA 4730 · United Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and UA 4730 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

84%
Arrive within 15 minutes
5 min
Average arrival delay
0%
Cancelled
4 min early
Median arrival delay

Based on 342 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon81%(52 flights)
  • Tue87%(46 flights)
  • Wed85%(48 flights)
  • Thu87%(46 flights)
  • Fri78%(51 flights)
  • Sat85%(47 flights)
  • Sun87%(52 flights)
On-time by departure window
  • 6–9 AM83%(148 flights)
  • 9 AM–12 PM85%(103 flights)
  • 3–6 PM77%(35 flights)
  • 9 PM–12 AM89%(56 flights)
On-time trend by month
97%
May

Jun 80% → May 97% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202580%30
July 202577%31
August 202585%26
September 202591%23
October 202593%30
November 202576%29
December 202561%31
January 202692%24
February 202681%26
March 202684%31
April 202697%30
May 202697%31
Departures on time
87%
Diverted
0%
Flights flown
342
Months covered
12

Keep nerding

Based on 342 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.