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Flight Reliability

UA 2338 · United Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and UA 2338 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

74%
Arrive within 15 minutes
12 min
Average arrival delay
0.9%
Cancelled
2 min early
Median arrival delay

Based on 468 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon70%(66 flights)
  • Tue79%(65 flights)
  • Wed79%(66 flights)
  • Thu73%(64 flights)
  • Fri74%(66 flights)
  • Sat75%(63 flights)
  • Sun72%(67 flights)
On-time by departure window
  • 6–9 AM84%(19 flights)
  • 12–3 PM84%(51 flights)
  • 3–6 PM72%(342 flights)
  • 6–9 PM68%(22 flights)
  • 9 PM–12 AM91%(23 flights)
On-time trend by month
79%
May

Jun 38% → May 79% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202538%29
July 202543%28
August 202548%31
September 202557%30
October 202581%31
November 202597%29
December 202581%43
January 202685%59
February 202692%37
March 202681%52
April 202684%31
May 202679%57
Departures on time
74%
Diverted
1.5%
Flights flown
457
Months covered
12

Keep nerding

Based on 468 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.