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WanderNerd

Flight Reliability

UA 5383 · United Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and UA 5383 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

68%
Arrive within 15 minutes
26 min
Average arrival delay
4.3%
Cancelled
2 min
Median arrival delay

Based on 276 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon62%(39 flights)
  • Tue77%(30 flights)
  • Wed72%(32 flights)
  • Thu78%(40 flights)
  • Fri54%(41 flights)
  • Sat73%(37 flights)
  • Sun66%(41 flights)
On-time by departure window
  • 6–9 AM97%(36 flights)
  • 9 AM–12 PM39%(13 flights)
  • 12–3 PM71%(143 flights)
  • 3–6 PM(8 flights)
  • 6–9 PM53%(60 flights)
On-time trend by month
65%
May

Jun 54% → May 65% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202554%24
July 202560%25
August 202550%10
October 202590%31
November 202573%26
December 202557%23
January 202691%23
February 202659%17
March 202654%24
April 202669%29
May 202665%23
Departures on time
74%
Diverted
1.4%
Flights flown
260
Months covered
12

Based on 276 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.