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Flight Reliability

UA 1872 · United Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and UA 1872 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

81%
Arrive within 15 minutes
7 min
Average arrival delay
0.8%
Cancelled
8 min early
Median arrival delay

Based on 521 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon89%(75 flights)
  • Tue86%(76 flights)
  • Wed92%(74 flights)
  • Thu84%(70 flights)
  • Fri73%(75 flights)
  • Sat73%(70 flights)
  • Sun72%(76 flights)
On-time by departure window
  • 6–9 AM96%(116 flights)
  • 12–3 PM80%(153 flights)
  • 3–6 PM74%(173 flights)
  • 6–9 PM78%(74 flights)
On-time trend by month
77%
May

Jun 88% → May 77% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202588%33
July 202575%56
August 202585%61
September 202587%54
October 202587%31
November 202593%29
December 202572%29
January 202687%30
February 202678%45
March 202678%37
April 202677%60
May 202677%51
Departures on time
83%
Diverted
0.2%
Flights flown
516
Months covered
12

Keep nerding

Based on 521 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.