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Flight Reliability

UA 4757 · United Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and UA 4757 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

79%
Arrive within 15 minutes
16 min
Average arrival delay
1.5%
Cancelled
6 min early
Median arrival delay

Based on 333 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon74%(46 flights)
  • Tue85%(46 flights)
  • Wed82%(45 flights)
  • Thu81%(43 flights)
  • Fri79%(48 flights)
  • Sat77%(52 flights)
  • Sun78%(45 flights)
On-time by departure window
  • 9 AM–12 PM73%(64 flights)
  • 12–3 PM92%(12 flights)
  • 3–6 PM77%(68 flights)
  • 6–9 PM82%(181 flights)
On-time trend by month
81%
May

Jun 55% → May 81% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202555%29
August 202591%23
September 202590%30
October 202583%35
November 2025100%29
December 202572%29
January 202665%31
February 202674%27
March 202687%30
April 202677%30
May 202681%31
Departures on time
80%
Diverted
0.9%
Flights flown
325
Months covered
12

Keep nerding

Based on 333 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.