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Flight Reliability

UA 1747 · United Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and UA 1747 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

69%
Arrive within 15 minutes
17 min
Average arrival delay
1.4%
Cancelled
3 min
Median arrival delay

Based on 351 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon73%(52 flights)
  • Tue71%(52 flights)
  • Wed80%(49 flights)
  • Thu60%(53 flights)
  • Fri60%(52 flights)
  • Sat74%(35 flights)
  • Sun65%(51 flights)
On-time by departure window
  • 9 AM–12 PM—(2 flights)
  • 12–3 PM72%(260 flights)
  • 3–6 PM65%(51 flights)
  • 6–9 PM—(7 flights)
  • 9 PM–12 AM42%(24 flights)
On-time trend by month
70%
May

Jun 75% → May 70% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202575%12
July 202550%28
August 202560%30
September 202587%30
October 202548%31
November 202568%25
December 202575%28
January 202681%31
February 202696%25
March 202648%31
April 202674%27
May 202670%46
Departures on time
82%
Diverted
0.6%
Flights flown
344
Months covered
12

Keep nerding

Based on 351 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.