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Flight Reliability

UA 1828 · United Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and UA 1828 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

59%
Arrive within 15 minutes
27 min
Average arrival delay
1.4%
Cancelled
9 min
Median arrival delay

Based on 487 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon68%(71 flights)
  • Tue58%(62 flights)
  • Wed63%(68 flights)
  • Thu55%(67 flights)
  • Fri55%(69 flights)
  • Sat61%(69 flights)
  • Sun55%(74 flights)
On-time by departure window
  • 6–9 AM98%(43 flights)
  • 3–6 PM54%(275 flights)
  • 6–9 PM59%(162 flights)
On-time trend by month
71%
May

Jun 75% → May 71% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202575%55
July 202533%30
August 202567%48
September 202570%30
October 202565%37
November 202547%55
December 202542%60
January 202656%32
February 202673%26
March 202659%27
April 202659%29
May 202671%51
Departures on time
73%
Diverted
0%
Flights flown
480
Months covered
12

Keep nerding

Based on 487 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.