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Flight Reliability

UA 1144 · United Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and UA 1144 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

76%
Arrive within 15 minutes
14 min
Average arrival delay
1.3%
Cancelled
8 min early
Median arrival delay

Based on 547 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon73%(80 flights)
  • Tue80%(80 flights)
  • Wed75%(81 flights)
  • Thu80%(78 flights)
  • Fri78%(80 flights)
  • Sat68%(56 flights)
  • Sun75%(83 flights)
On-time by departure window
  • 9 AM–12 PM90%(256 flights)
  • 3–6 PM67%(191 flights)
  • 6–9 PM55%(91 flights)
On-time trend by month
88%
May

Jun 50% → May 88% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202550%60
July 202545%58
August 202565%66
September 202597%30
October 202597%30
November 202587%30
December 202574%43
January 202686%51
February 202689%36
March 202683%36
April 202688%56
May 202688%42
Departures on time
75%
Diverted
0.4%
Flights flown
538
Months covered
12

Keep nerding

Based on 547 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.