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WanderNerd

Flight Reliability

UA 2233 · United Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and UA 2233 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

88%
Arrive within 15 minutes
1 min early
Average arrival delay
1.1%
Cancelled
9 min early
Median arrival delay

Based on 453 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon88%(64 flights)
  • Tue91%(65 flights)
  • Wed92%(66 flights)
  • Thu85%(65 flights)
  • Fri88%(66 flights)
  • Sat86%(59 flights)
  • Sun86%(63 flights)
On-time by departure window
  • 6–9 AM92%(325 flights)
  • 12–3 PM81%(87 flights)
  • 6–9 PM72%(36 flights)
On-time trend by month
88%
May

Jun 90% → May 88% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202590%29
July 202584%31
August 202571%31
September 202583%29
October 202590%31
November 202593%30
December 202587%31
January 202690%30
February 202693%40
March 202691%55
April 202690%60
May 202688%51
Departures on time
89%
Diverted
0%
Flights flown
448
Months covered
12

Based on 453 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.