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WanderNerd

Flight Reliability

UA 6338 · United Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and UA 6338 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

84%
Arrive within 15 minutes
4 min
Average arrival delay
1.1%
Cancelled
11 min early
Median arrival delay

Based on 179 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon70%(23 flights)
  • Tue67%(27 flights)
  • Wed96%(26 flights)
  • Thu93%(27 flights)
  • Fri74%(27 flights)
  • Sat92%(26 flights)
  • Sun100%(21 flights)
On-time by departure window
  • 9 AM–12 PM83%(12 flights)
  • 12–3 PM90%(101 flights)
  • 3–6 PM75%(64 flights)
On-time trend by month
91%
Feb

Jun 61% → Feb 91% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202561%18
August 202563%16
October 202588%24
November 202589%28
December 202594%31
January 202687%30
February 202691%11
Departures on time
86%
Diverted
0%
Flights flown
177
Months covered
10

Based on 179 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.