Historical on-time performance
Long Beach to Denver
854 miData through Dec 2025Source: US DOT · BTS
Flights on LGB–DEN arrive on time 80% of the time over the last 12 months.
On-time rate80%arrived within 15 min
p90 delay50 min1 in 10 flights is worse (tail risk)
Cancelled0.6%of scheduled flights
based on 1,017 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Southwest AirlinesOn-time80%Medianon timep9050 minCancel0.6%Flights1,017
Why flights run late
Delay causes
- Airline9%
- Weather8%
- Air traffic (NAS)59%
- Late aircraft25%
- Security0%
Most delay minutes here are attributed to Air traffic (NAS).
Over time
On-time trend
By season
On-time rate by month
When to fly
Best time to fly LGB → DEN
All airlines · rolling 36 months (2023-01 .. 2025-12).
Best time of day
Mornings are the most reliable time of day to fly this route — 92% on time.
- Mornings92% on time · p90 5 min · 1,152 flights
- Middays83% on time · p90 25 min · 990 flights
- Evenings76% on time · p90 40 min · 160 flights · limited
- Afternoons68% on time · p90 65 min · 901 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 79% to 84% on time.
- Saturdays84% on time · p90 25 min · 474 flights
- Wednesdays83% on time · p90 30 min · 435 flights
- Tuesdays83% on time · p90 30 min · 438 flights
- Thursdays82% on time · p90 30 min · 454 flights
- Sundays82% on time · p90 25 min · 493 flights
- Mondays81% on time · p90 30 min · 457 flights
- Fridays79% on time · p90 40 min · 461 flights
Advertisement
Keep exploring