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Flight Reliability

UA 1889 · United Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and UA 1889 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

93%
Arrive within 15 minutes
6 min early
Average arrival delay
0.4%
Cancelled
10 min early
Median arrival delay

Based on 503 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon90%(71 flights)
  • Tue89%(72 flights)
  • Wed92%(71 flights)
  • Thu94%(71 flights)
  • Fri96%(70 flights)
  • Sat99%(71 flights)
  • Sun90%(73 flights)
On-time by departure window
  • 3–6 AM97%(324 flights)
  • 9 AM–12 PM85%(175 flights)
On-time trend by month
97%
May

Jun 83% → May 97% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202583%60
July 202597%61
August 202588%48
September 202590%30
October 202594%31
November 2025100%29
December 202591%46
January 202697%31
February 202698%44
March 202690%58
April 2026100%30
May 202697%31
Departures on time
92%
Diverted
0.4%
Flights flown
499
Months covered
12

Keep nerding

Based on 503 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.