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WanderNerd

Flight Reliability

UA 5327 · United Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and UA 5327 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
18 min
Average arrival delay
3.1%
Cancelled
0 min
Median arrival delay

Based on 357 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon66%(50 flights)
  • Tue71%(51 flights)
  • Wed65%(48 flights)
  • Thu68%(47 flights)
  • Fri69%(49 flights)
  • Sat71%(48 flights)
  • Sun71%(49 flights)
On-time by departure window
  • 12–3 PM89%(28 flights)
  • 3–6 PM62%(76 flights)
  • 6–9 PM68%(87 flights)
  • 9 PM–12 AM69%(151 flights)
On-time trend by month
71%
May

Jun 87% → May 71% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202587%30
July 202589%28
August 202574%31
September 202570%30
October 202545%31
November 202571%28
December 202554%24
January 202671%28
February 202682%28
March 202659%27
April 202648%29
May 202671%28
Departures on time
75%
Diverted
1.1%
Flights flown
342
Months covered
12

Based on 357 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.