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Flight Reliability

UA 4758 · United Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and UA 4758 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

71%
Arrive within 15 minutes
15 min
Average arrival delay
1.9%
Cancelled
1 min early
Median arrival delay

Based on 364 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon69%(52 flights)
  • Tue75%(51 flights)
  • Wed82%(49 flights)
  • Thu67%(49 flights)
  • Fri65%(51 flights)
  • Sat74%(50 flights)
  • Sun64%(53 flights)
On-time by departure window
  • 6–9 AM100%(11 flights)
  • 9 AM–12 PM100%(25 flights)
  • 12–3 PM60%(37 flights)
  • 3–6 PM68%(271 flights)
  • 6–9 PM82%(11 flights)
On-time trend by month
81%
May

Jun 41% → May 81% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202541%29
July 202558%31
August 202545%29
September 202553%30
October 202577%31
November 202582%27
December 202576%29
January 202694%31
February 202682%27
March 202680%30
April 202680%30
May 202681%31
Departures on time
75%
Diverted
0.5%
Flights flown
355
Months covered
12

Keep nerding

Based on 364 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.