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Flight Reliability

UA 1884 · United Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and UA 1884 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

72%
Arrive within 15 minutes
19 min
Average arrival delay
0.6%
Cancelled
2 min early
Median arrival delay

Based on 499 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon78%(71 flights)
  • Tue65%(63 flights)
  • Wed80%(71 flights)
  • Thu74%(70 flights)
  • Fri60%(73 flights)
  • Sat75%(71 flights)
  • Sun71%(75 flights)
On-time by departure window
  • 6–9 AM91%(22 flights)
  • 9 AM–12 PM96%(47 flights)
  • 3–6 PM70%(219 flights)
  • 6–9 PM65%(195 flights)
  • 9 PM–12 AM91%(11 flights)
On-time trend by month
65%
May

Jun 55% → May 65% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202555%65
July 202564%87
August 202567%64
September 202583%30
October 202594%31
November 202583%29
December 202571%31
January 202684%31
February 202692%26
March 202677%31
April 202669%29
May 202665%40
Departures on time
74%
Diverted
0.4%
Flights flown
494
Months covered
12

Keep nerding

Based on 499 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.