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Flight Reliability

UA 1329 · United Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and UA 1329 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

74%
Arrive within 15 minutes
16 min
Average arrival delay
1.9%
Cancelled
3 min early
Median arrival delay

Based on 431 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon69%(61 flights)
  • Tue81%(57 flights)
  • Wed73%(67 flights)
  • Thu79%(65 flights)
  • Fri75%(59 flights)
  • Sat74%(46 flights)
  • Sun69%(64 flights)
On-time by departure window
  • 6–9 AM91%(91 flights)
  • 9 AM–12 PM87%(74 flights)
  • 12–3 PM74%(53 flights)
  • 3–6 PM63%(169 flights)
  • 6–9 PM53%(32 flights)
On-time trend by month
40%
May

Jun 73% → May 40% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202573%52
July 202568%57
August 202578%46
September 202570%27
October 202565%31
November 202579%28
December 202585%47
January 202690%30
February 202687%30
March 202661%31
April 202672%25
May 202640%15
Departures on time
75%
Diverted
0.9%
Flights flown
419
Months covered
12

Keep nerding

Based on 431 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.