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Route Reliability

Denver → Long Beach

DEN–LGB · 854 miles · Denver International Airport to Long Beach Airport

80
Pretty Reliable
WanderNerd Reliability Score
75%
Arrive within 15 minutes
10 min
Average arrival delay
0.5%
Cancelled
1,012
Flights in the data

Data through May 2026.

Southwest Airlines is the only airline in this data on this route, arriving on time 75% of the time across 1,012 flights. No comparison to make.

What the data says

Morning-you made the right choice.

DEN–LGB flights departing between 6–9 AM arrived on time 93% of the time, versus 56% between 6–9 PM.

Sunday scaries are real for this one.

DEN–LGB flights arrived on time 79% of the time on Wednesdays. On Sundays: 68%.

Flights on this route

The breakdown

On-time by weekday
  • Mon74%(145 flights)
  • Tue78%(135 flights)
  • Wed79%(134 flights)
  • Thu77%(142 flights)
  • Fri69%(146 flights)
  • Sat78%(152 flights)
  • Sun68%(152 flights)
On-time by departure window
  • 6–9 AM93%(205 flights)
  • 9 AM–12 PM84%(162 flights)
  • 12–3 PM76%(254 flights)
  • 3–6 PM68%(134 flights)
  • 6–9 PM56%(251 flights)
On-time trend by month
81%
May

Jun 64% → May 81% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202564%91
July 202566%95
August 202579%89
September 202571%86
October 202558%79
November 202577%81
December 202568%79
January 202690%67
February 202683%66
March 202678%90
April 202683%90
May 202681%93

Same trip, other airports

Keep nerding

Based on 1,012 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.