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Flight Reliability

UA 1748 · United Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and UA 1748 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
20 min
Average arrival delay
1.0%
Cancelled
4 min
Median arrival delay

Based on 584 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon60%(83 flights)
  • Tue66%(84 flights)
  • Wed68%(84 flights)
  • Thu57%(84 flights)
  • Fri73%(80 flights)
  • Sat74%(80 flights)
  • Sun62%(79 flights)
On-time by departure window
  • 6–9 AM96%(24 flights)
  • 9 AM–12 PM74%(100 flights)
  • 12–3 PM91%(21 flights)
  • 3–6 PM64%(154 flights)
  • 6–9 PM61%(237 flights)
  • 9 PM–12 AM45%(38 flights)
On-time trend by month
62%
May

Jun 41% → May 62% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202541%27
July 202550%58
August 202567%43
September 202567%60
October 202567%55
November 202552%31
December 202569%45
January 202674%34
February 202675%44
March 202681%58
April 202670%59
May 202662%60
Departures on time
77%
Diverted
0.7%
Flights flown
574
Months covered
12

Keep nerding

Based on 584 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.