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Flight Reliability

UA 1184 · United Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and UA 1184 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
17 min
Average arrival delay
0.8%
Cancelled
6 min early
Median arrival delay

Based on 395 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon71%(56 flights)
  • Tue86%(58 flights)
  • Wed77%(56 flights)
  • Thu61%(56 flights)
  • Fri63%(57 flights)
  • Sat77%(51 flights)
  • Sun68%(57 flights)
On-time by departure window
  • 6–9 AM—(3 flights)
  • 12–3 PM91%(21 flights)
  • 3–6 PM74%(93 flights)
  • 6–9 PM65%(221 flights)
  • 9 PM–12 AM91%(53 flights)
On-time trend by month
90%
May

Jun 50% → May 90% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202550%30
July 202560%30
August 202577%30
September 202562%29
October 202563%27
November 202553%30
December 202569%29
January 202684%56
February 202682%38
March 202677%31
April 202680%30
May 202690%31
Departures on time
77%
Diverted
0.3%
Flights flown
391
Months covered
12

Keep nerding

Based on 395 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.