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Flight Reliability

UA 405 · United Airlines

Denver → Los Angeles (DEN–LAX)90% of its flights flew this route. The rest (DEN–IAD, ICT–ORD) are included in these numbers.

95
Nerd Approved
WanderNerd Reliability Score
90%
Arrive within 15 minutes
5 min early
Average arrival delay
0%
Cancelled
9 min early
Median arrival delay

Based on 365 historical flights. Data through May 2026.

What the data says

Friday is doing you no favors.

UA 405 arrived on time 96% of the time on Mondays. On Fridays: 87%.

Better than the DEN–LAX route average.

UA 405 arrived on time 90% of the time, versus 80% across the DEN–LAX route.

Better than the United Airlines network average.

UA 405 arrived on time 90% of the time, versus 79% across the United Airlines network.

It basically never cancels.

Out of 365 scheduled flights, only 0.0% were cancelled.

The breakdown

On-time by weekday
  • Mon96%(52 flights)
  • Tue88%(50 flights)
  • Wed90%(52 flights)
  • Thu90%(52 flights)
  • Fri87%(52 flights)
  • Sat90%(51 flights)
  • Sun89%(53 flights)
On-time by departure window
  • 9 AM–12 PM90%(361 flights)
  • 12–3 PM—(1 flights)
On-time trend by month
97%
May

Jun 87% → May 97% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202587%30
July 202564%28
August 202597%31
September 202597%30
October 202597%31
November 202597%30
December 202577%31
January 202690%31
February 202689%28
March 202687%31
April 2026100%30
May 202697%31
Departures on time
91%
Diverted
0.8%
Flights flown
362
Months covered
12

Same route, other flights

Keep nerding

Based on 365 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.